Question

Please answer 2) multiple choice questions correctly I need it today please show work .

Answer 1

Answer:

Step-by-step explanation:

20. First find the values of the numbers being added.

$(\frac{3}{4})^3 = \frac{27}{64}$

$(\frac{5}{8} )^2 = \frac{25}{64}$

These numbers have a common denominator, so you can add the numerators

27 + 25 = 52

so the number comes out to $\frac{52}{64}$

to simplify, divide the numerator and denominator by 4.

So the final fraction becomes $\frac{13}{16}$

However the question doesn't have this answer and now I am confused. I assumed that the expression was $r^{3}+s^{2}$ but the picture is a little bit blurry and I have bad eyesight so let me know if it is not. I'm too tired to delete this so next problem.

21.

4x + 8x + 7 + 4

Combine the like terms to get the expression

12x + 11 the answer is c.