Angela’s dog weighs 42 pounds. The vet suggests that for the dog’s health, its weight should decrease by 15%. What is a healthy weight for the dog

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4