Answer:
12a+2
Step-by-step explanation:
You can add 8a and 4a together to get 12a
Answer:
x=7
Step-by-step explanation:
The two triangles are congruent so the equation is
9x-15=7x-1
9x-7x=15-1
2x=14
x=7
Answer:
Step-by-step explanation:
area of base = 5×11 = 55 ft²
area of triangle = ½×5×6 = 15 ft²
area of rectangular face = 6.5×11 = 71.5 ft²
surface area = 55 + 2×15 + 2×71.5 = 228 ft²
Answer:
10
Step-by-step explanation:
Answer:55 CJ ^2
Step-by-step explanation: