Answer:
D
Step-by-step explanation:
The question states you need a square. That means whatever you do, must leave a square number like 49 or 64
If you add 6 or 7 to 56 you do not get 64 A and C are both wrong.
If you subtract 7 from 56 you get 49 which is a perfect square and all 4 sides will equal 7.
Hello!
h = -9.7 - 9.7
h = -19.4
Enjoy.
B this is because 15y is 10 a
Answer:
y = 3(x2 – 7) = 3x2 – 21
Step-by-step explanation:
