Simplify.
8m+4n+7m−2n
what is the answer?

15m + 6n

17mn

m + 2n

15m + 2n

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?