Answer:
127 ft
BASE * HEIGHT
1/2 = r
Step-by-step explanation:
7r + 21 = 49r
Subtract 7r from each side
7r-7r + 21 = 49r-7r
21 = 42r
Divide each side by 2
21/42 = 42r/42
y = 3(x+7/6)² - 25/12
Answer:3(7)+2=23. 21+2=23
