Answer:
7x+12
Step-by-step explanation:
5x+2(x+6)
distribute
5x+2x+12
add like terms
7x+12
Answer:
125π ft²
Step-by-step explanation:
1/4π(30)² - 1/4π(20)² = 125π
D has no solution because 7y-7y=0, and -15 can't equal 0
Answer:
first option
Step-by-step explanation:
Given
area = 15x - 9 ← factor out 3 from each term
= 3(5x - 3)
Thus the dimensions are 3 by (5x - 3)
Answer:
A) 34x²
Step-by-step explanation:
6x * 7x = 42x²
2x * 4x = 8x²
42x - 8 x = 34x²