The radius is 6 feet. The radius will always be half of whatever the diameter is
Answer:
it 85 to the third power
Step-by-step explanation:
i gotchu gng
Answer:
they weigh less than a pound
Step-by-step explanation:
because 1 pound is equal to 16 ounces
Answer:
x² + y² = 85
Step-by-step explanation:
Using the expansion
(x - y)² = x² + y² - 2xy , then
x² + y² - 2xy = (x - y)² ( add 2xy to both sides )
x² + y² = (x - y)² + 2xy ← substitute given values
= 9² + 2(2)
= 81 + 4
= 85
