Answer:
Step-by-step explanation:
x^2-9x-52=0 What 2 numbers when multiplied equal -52 and added equals -9? -13 and 4
(x-13)(+4)
X = 65(7)
X = 455
Marla did 455 sit-ups in a week
Answer:
good4u
Step-by-step explanation:
ANSWER=167.47 cubic feet
Step-by-step explanation:
Volume of the Cylinder
3.14×2^2×12=150.72
Volume of the Cone
3.14×2^2×4=50.24
50.24÷3=16.75
Total Volume
16.75+150.72=167.47