Answer:
$63
Step-by-step explanation:
so we want to find 9/9 of her allowance, which is 100%
we could use a proportion:
let 'a' = full allowance
÷
=
÷ 
when we divide fractions we multiply by the reciprocal to get:
28 x 9/4 = a
a = 252/4
a = 63
Answer:
8(4-x)
Step-by-step explanation:
You're multiplying the difference of four and a number (4-x) by eight (8). So writing as an expression would look like 8(4-x).
Answer:
<h2>7.5$</h2>
Step-by-step explanation:

Answer:
Step-by-step explanation:
f(x)= x^2 - 6x + 8
a of s= 6/2 = 3
(3)^2 - 6(3) + 8
9 - 18 + 8
-9 + 8 = -1
(3, -1)
answer is B