Equilateral triangle have the same side lengths. Perimeter = sum of all sides
(4x - 3) + (4x - 3) + (4x - 3) = 63
Remove parentheses
4x - 3 + 4x - 3 + 4x - 3 = 63
Combine like terms
12x - 9 = 63
12x = 72, x = 6
Solution: x = 6
Answer:
1/6 pan of brownies
Step-by-step explanation:
B. 68
I use the formula A= bh/2 it’s the same thing
8x17 = 136
136/2 = 68
The answer is -125+85= -40 because she is adding -125 by 85 which equals-40
