Expand the expression 3(x - 5)

The formula for the area of a regular polygon is a=1/2ap . what is the equation solved for a?

Arental car company charges $45 plus 0.20 per mile to rent a car. mr. lawrence does not want to spend more than $100 for his rental car. write and solve an inequality to find how many miles he can drive and not spend more than $100. inequality: 45+0.20m is less than or equal to 100 solution: m is less than or equal to 275? interpret the solution: ?

What is the simplified form of the square root of 72x^16/50x36? assume x ≠ 0.