The cost to mail a letter is a base charge of $0.42 plus $0.17 for each ounce. write an expression to represent the cost for malling a letter that is wounces. then find the cost for mailing a letter that is four ounces.

Adaycare center charges a $75 enrollment fee plus $100 per week. which of the following represents the cost of sending a child to daycare for 14 weeks?

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =

Which of the following represents the length of a diagonal of this trapezoid?