Henry sister is 3 years younger than Henry. The product of their age is 180.how old is Henry?

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?