Answer:166
Step-by-step explanation:438x.38=166
438 being the total amount of students
.38 being the 38% involved (moved percentage two to the left to make it a decimal)
Ah well this would look like 2(30) + 30 = 90 aka 2L + W = 90
Answer:
V = 84.8 cubic meters
Step-by-step explanation:
V(cone) = πr²·(h÷3)
V = 3²π·(9/3)
V = 27π
V = 84.8 cubic meters
Perimeter of the shape is =sum of all the side
Perimeter =16.2+7.5+18+12+18+7.5
Perimeter =79.2
Perimeter
