Answer:
10
Step-by-step explanation:
Answer:
94 feet per year
Step-by-step explanation:
470/5 = 94
Answer:
a = -5
Step-by-step explanation:
15 - a = 20
Move the constant of 15 to the other side by subtracting it.
-a = 5
Divide by -1 to make a positive.
a = -5
Check.
15 - (-5) = 20
15 + 5 = 20
20 = 20
Answer:
r = 6.7
Step-by-step explanation:
9²-6²=45
√45=6.7