If f (x) = 2x-5, find

a. f (4)

b. f (-3)

After 90% reduction, you purchase a new soft drink machine on sale for $72. What was the original price of the soft drink machine?

In an upcoming race, the top 3 finishers will be recognized with the same award. Ryan is one of 12 people entered in the race. If all racers are equal in skill, what is the probability that Ryan will be one of the top 3 racers?

You need to add, (9+2X) + (2+3c)

15% of people on the beach do not wear sun screen. If 30 people don't wear sunscreen, what is the total number of people at the beach?

If a total are of the chessboard is 144 square inches. What is the area of one shaded square. What is the total area of all the shaded squares and total area of all the white squares.

Identify an equation in slope-intercept form for the line parallel to y=5x+2 that passes through (-6,-1)

The sales tax rate in jans town is 7.5. if she buys 3 lamps for $23.59 each and a sofa for $769.99, how much sales tax does she own?

What is the word description for {1/2, 2/3, 3/4, ... }

Eric is baking a cake. The recipe calls for 2 1/2 cups of flour for every 1/4 cup of sugar. How much flour is needed for 5 cups of sugar?

If the legs of a right triangle measure 7cm and 24cm whats the hypotenuse?