Solve the system: -2(a-b)+16=3(b+7)
6a-(a-5)=-8-(b+1)

PLEASE ANSWER ASAPPP WILL GIVE BRAINLIES

An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

Select all of the following expressions that are equal to 2.5.