A + s = 17
25a + 15s = 305
on solving for the values of two variables. we get a = 5 and s = 12
Pyramid
B=36
h=4
(36*4)/3=48
Prism
B=144
h=3
V= (bh)= 432
answer= 432+48 =480
Answer:

Height= 16 feet
Step-by-step explanation:
Please see attached picture for full solution.
Answer:
3.6%
Step-by-step explanation:
Because the two events are independent, their probabilities are multiplied, so the probability of a student being born in March and having a blood type of O+ is 9% * 40% = 0.09 * 0.40 = 0.036 = 3.6%