Answer:
Step-by-step explanation:
85 - 70 = 15
15/70 = 0.21428571428
Round to .21
Move decimal over twice to the right
21%
Answer:
black
Step-by-step explanation:
because
Answer:
400m^3
Step-by-step explanation:
Answer:
t= 9, t= -9
Step-by-step explanation: