**Choice F**

Since the number of coins is 325: q+n=325

Since the total value of the coins is $56.25: 0.25q+0.05n=56.25

**Choice B**

0 cannot be a factor of any number; 1 can be a factor of any number; a may not be necessarily be a factor of b, and vice versa; ab cannot be a factor be a or b.

**Choice F**

24, 36, and 12 are multiples of both 3 and 4: $$\frac{1+1+1}{8}=\frac{3}{8}$$

**Choice J**

$$4n=14m \\$$ $$ \Rightarrow n=7,\ m=2 \\$$ $$ \Rightarrow t=4\times7=28 \ seconds$$

**Choice A**

When the graph is shifted …

**Choice J**

$$\frac{AB}{2}+BC=\frac{12}{2}+20=26$$

**Choice A**

$$x^2-5x+6=(x-3)(x-2)$$

**Choice H**

$$(-x^2+2x+8)+d=(5x^2+3) \\ $$ $$\Rightarrow d=7x^2-2x-5$$

**Choice D**

$$\frac{3+\frac{1}{9}}{1+\frac{1}{18}}=\frac{\frac{3\times9+1}{9}}{\frac{1\times18+1}{18}}=2\frac{18}{19}$$

**Choice K**

$$\frac{\frac{4}{3}}{\frac{1}{6}}=\frac{4}{3}\times6=8$$

**Choice E**

$$2y-18= 0\\ $$ $$\Rightarrow y …

**Choice H**

$$g(-4)=5-(-4)^2=5-16=-11 \\$$ $$ f(g(-4))=f(-11)=-11-5=-16$$

**Choice B**

$$\cos A = \frac{AC}{AB}=\sin B$$

**Choice G**

$$x^2-4\neq0\\$$ $$ \Rightarrow x\neq2 \ …

**Choice E**

$$12\times \frac{210}{0.03}=84000$$

**Choice J**

$$247\times 7=1729$$

**Choice C**

$$2x^3-5x^2-12x=0\\ $$ $$\Rightarrow x(x-4)(2x+3)=0\\$$ $$ …

**Choice J**

$$1+3+5+...+(2n-1)=n^2 \\$$ $$ \Rightarrow 1+3+5+...+23=12^2$$

**Choice E**

$$\frac{-4-5}{3-(-2)}=-\frac{9}{5}$$

**Choice G**

$$0.3\overline{4}=0.3444444...$$

**Choice B**

The other point must be …

**Choice H**

$$100=a5^2 \\$$ $$ \Rightarrow a=4$$

**Choice B**

$$x=ay^2$$ is open to the …

**Choice F**

$$k>0\Rightarrow-k<0 \Rightarrow |x|=|y| …

**Choice A**

Since when t is a, …

**Choice G**

b + e = 160°; …

**Choice C**

$$\angle ABE=\angle ABC+\angle CBD+\angle DBE …

**Choice F**

Generally:

$$\frac{\sin T}{LS}=\frac{\sin S}{LT}$$**Choice B**

This is what a bag …

**Choice H**

$$H=\frac{24d}{D}-1$$

**Choice D**

$$\log_{}{((2x)^\frac{1}{2})}=\frac{1}{2}\log_{}{(2x)}=\frac{1}{2}\log_{}{2}+\frac{1}{2}\log_{}{x}$$

**Choice H**

It can be proved that …

**Choice A**

The range of the graph …

**Choice F**

$$\frac{74.4-69}{2.7}=2$$

**Choice C**

$$a+b+c=\frac{AB+BC+AC}{2}=\frac{13+15+26}{2}=27$$

**Choice K**

$$8^2+11^2<16^2 $$ $$\Rightarrow obtuse …

**Choice D**

$$\frac{9}{2} \pi=\frac{1}{2} \pi+4 \pi \\ …

**Choice K**

When two polynominals are multiplied, …

**Choice D**

$$\frac{48}{6}\times12+\frac{48}{6}\times12+\frac{36}{6}\times12-12=252$$

**Choice G**

Only graph G fulfils the …

**Choice C**

$$CD=\sqrt{CF^2-DF^2}=\sqrt{7^2-5^2}=2\sqrt{6}$$

**Choice K**

The domain of f is …

**Choice A**

$$a=b-5 \\$$ $$ b\geq c+3 …

**Choice K**

$$2^{n+3}=2^{n+1}\cdot2^2=2m\cdot 2^2=8m$$