Its 10 because 10 times 20 will be like a thousand
6 and 7 because if you solve for r the answer would be r > 6
A reasonable estimate would be an estimate of 2.5 feet.
Answer:
x = -4
Step-by-step explanation:
2x² + 8x = x² - 16
x² + 8x + 16 = 0
x² + 4x + 4x + 16 = 0
x(x + 4) + 4(x + 4) = 0
(x + 4)² = 0
x = -4
Answer:
D) 
Step-by-step explanation:
Given: 
Use Exponent Rule: 
Use Addition Rule: 