Answer:
125.6m^2
Step-by-step explanation:
Let R be the greater radius and r be the smaller radius
Area of the sidewalk = R^2 - r^2 - This can be the expression
= 3.14
=(R^2-r^2)
=(11^2-9^2)
=(121-81)
= 40
= 3.14 x 40
WHat do you mean when you say you don't know "which graph is which"
Answer:
do percentage over whole and multiply 100 times then divide. Btw, I fel your pain. Im currently doing hw at 1:33am rn.
Step-by-step explanation:
Answer:
7^18
Step-by-step explanation:
When you have an exponent to another exponent, you can multiply the exponents.
(7^3)^6
3*6 = 18
7^18
