An item costs $310 before tax, and the sales tax is $18.60. find the sales tax rate. write your answer as a percentage.

Find the common difference: - 18, - 23, - 28, - 33, ...

A shopowner blends three types of tea, A, B, Cbin the ratio 6:4:7. If the mass of tea C in the mixture is 28kg, find the difference in the masses of the other two types of tea

The cost that a carpet cleaning company charges is directly proportional to the number of rooms cleaned. The cost is $22 for each room. (a) Write a direct variation equation to represent the cost.

A bag of corn chips holds 12 1/2 ounces, each serving of corn chips is 1 1/4 ounces. How many servings are in each bag of corn chips?

What is 1.034 when written as a fraction?

Three cards are taken, one after the other and without replacement, from a standard deck of 52 card. Find the probability that the first and third card are red?

A parallelogram has an area of 224 square centimeters and a base length of 16 centimeters. What is the height of the parallelogram? A. 12 centimeters B. 28 centimeters C. 16 centimeters D. 14 centimeters

What two numbers multiply to get 100 and add to 29

Shira packs 170 lemon bars in boxes for the bake sale. Each box holds 8 lemon bars. She takes home the lemon bars tha are leg over after she has filled as many boxes as possible.

What is 412, 825 round to the nearest ten?