Answer:
4(aaa - 44) = 64
Step-by-step explanation:
I think this is right.
Answer:

Step-by-step explanation:
√a^4 is the same as:
√a × √a × √a × √a
group them as 2 pairs of
(√a × √a) × (√a × √a)
which makes
a × a
which is the same as 
Answer: 5y + 4x
Step-by-step explanation:
Answer:
F. x = 7
Step-by-step explanation:
there are 10 boxes on the right and it is equal to the side on the left, so you just subtract 10 and 3 to get 7.
Answer: 70%
Step-by-step explanation:
Step 1:
Total number of teachers = 63 + 27
= 90
Step 2:
The percentage of the teachers in the meeting were first-year teachers:
(63 ÷ 90) × 100 = 70%