Answer:
the value of x=
2×-12= -24
the value of y is 3y plus 20 which equals to 23
The general formula of a pyramid with any base is 1/3 bh where b is the area of the base and h is the height. In this case, the height of the pyramid is said to be twice the height of the prism, h. Hence the area becomes 1/3 b*2h or equal to option A. 2/3
Answer: 1 over y 2 over x
Step-by-step explanation:
The answer is 123.76
Hope I can help you (≧∇≦)