Look at my the expression below. 1/2 (a+b) - (a-b) 2 what is the value of the expression when a = 18 and b = 14?

A searchlight is shaped like a paraboloid of revolution. If the light source is located 2 feet from the base along the axis of symmetry and the opening is 12 feet across, how deep should the searchlight be?

Explain why you do not have to do any computing to solve 15 by 0 by (13+7)

A box of crackers costs 0.26. if the box contains 10 ounces, what is the cost of the box of crackers

Janice is going on vacation and needs to leave her dog at a kennel. Nguyen's Kennel charges $14 per day plus $25 for a processing fee. The Pup Palace Kennel charges $10 per day, and has a $38 processing fee.

What is the slope of the line through (-7,-8) and (0,4) your answer must be exact

Becky is using the expression 2z + 3 to represent the number of chairs in her classroom. There are twice as many chairs as tables, and there are three extra chairs in the back. What does z represent?

The last line of a proof represents the given information. the argument. the conclusion. the assumptions.

The question is solve the standard algorithm

Which is the decimal equivalent of one half?

Charlie saves $21.45 each month for 6 months. in the seventh month, he saves $10.60. how much money will charlie saved after seven months