Answer:
136
Step-by-step explanation:
Take 68 x 2 since the side lengths are equal.
We will use the Unitary method to solve this question
304/4=76
Therefore The train travels 76 miles per hour
76*7.5=570
Therefore the train travels 570 miles in 7.5 hours
(2y)⁴
(2y)(2y)(2y)(2y)
16y⁴
Answer:
A
Step-by-step explanation:
Domaine of y=2 square root x is x>=0 same for y=square root 2x