Answer:
10
Step-by-step explanation:
Given expression:
20 - 
To solve this problem, we use the order of operation:
P - Parentheses
E - exponents
M - multiplication
D - division
A - Addition
S - Subtraction
Now solve the parentheses first;
= 20 - 
= 20 - 
Now solve the exponents:
= 20 - 
Now solve the division:
= 20 - 
= 20 - 10
= 10
Answer:
C it was the fastest way to do it when I was in class
No. The GCF of 120 and 36 is 12. And 120-36=84. 84-12=72
( difference of 72 ) .
Answer:
2,799 square cm
Step-by-step explanation:
Volume of cone: (1/3)π(9^2)(40)=1,080π
Volume of cylinder: π(3^2)(21)=189π
1,080π - 189π = 891π = 2799.2 square cm