4 (x+15) (x+5)

I dont understand how to do this

On Friday it was 32 degrees at 6am and the temperature rose 3 degrees per hour for several hours. How many hours did it take the temperature to reach 53 degrees?

What is the algebraic expression for the difference of 17 and 5 times a number?

Tyler orders a meal that cost $15 if the tax rate is 6.6% how much will the sales tax be on Tyler's Meal?

A researcher records the amount of time (in minutes) that parent child pairs spend on social networking sites to test whether they show any generational differences.

Which is the equation of a line that is parallel to the line represented by y=7/6x+4

When fritz drives to work his trip takes 48 minutes, but when he takes the train it takes 40 minutes. find the distance fritz travels to work if the train travels an average of 6 miles per hour faster than his driving.

How do i Factor 5x^2+12x-32

For what values of x is x2-36=5x true? - 9 and - 4 - 4 and 9 4 and - 9 9 and 4

Simplify exspression - 6 multiplied by 12 + 14 - 3

Leilani bought tomatoes that cost $0.84 per pound. She paid $3.36 for the tomatoes. How many pounds of tomatoes did she buy?