Answer:
Step-by-step explanation:
=
= Separate the two numbers into 2 radicals.
= Simplify, knowing that .
Answer:
c
Step-by-step explanation:
PI times radius squared
Answer:
<u>5.59</u>
Step-by-step explanation:
Answer: what are the choices?
Step-by-step explanation:
Step-by-step explanation:
multiply the first equation by 1, the second by -1 and add.
x + 2y = -16
-x - 6y = 28
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0 - 4y = 12
-4y = 12
y = -3
x + 2×-3 = -16
x - 6 = -16
x = -10