Answer:
56.33 is the average of miles per hour.
Step-by-step explanation:
-98-31 can also be written as
(-98) + (-31)
We know 98+31=129
Therefore -129
Answer:
=4sqrt(10)
Step-by-step explanation:
The geometric mean of two numbers is sqrt(a*b) where a and b are the two numbers
geometric mean = sqrt(8*20)
=sqrt(160)
= sqrt(16*10)
We know that sqrt(ab) = sqrt(a) sqrt(b)
=sqrt(16) sqrt(10)
=4sqrt(10)
Answer: F. The pencils at store A cost more.
Step-by-step explanation: here is the answer key