Answer:
Step-by-step explanation:
okey first you have to make the equation:
99+X0.5= ?
You express the 50cents like 0.5 because they are half a dollar
X signifies the you drove so X=120
99+120(0.5)
120 X 0.5= 60
99+60=150 You have to pay 150 dollars
This only works if your talking about dollars.
Hope this helped :)
Answer: need more details
Triangular prism
length of slanted side:
sqrt(3^2 + 4^2) = 5
SA = 2(1/2)(8)(3) + 8(12) + 2(5)(12) =240
V = (1/2)(8)(3)(12) = 144
cuboid
SA = 2(7x6) + 2(7x5) + 2(6x5) = 214
V = 7x6x5 = 210
the second one is the coreect one