Franklin was charged 140 dollars plus a pickup charge of 20 dollars to ship 4 indentical boxes. the pickup charge applies no matter how many boxes are to be picked up. what would have been the charge if franklin had only shipped 2 boxes?

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?