Jack's pancake recipe calls for 2 tsp baking powder and 3 c of flour. How much baking powder is needed if Jack uses 9 c of flour?

Solve for x, given the equation Square root of x minus 5 + 7 = 11. x = 21, solution is extraneous x = 21, solution is not extraneous x = 81, solution is extraneous x = 81, solution is not extraneous

Mike pays 1500 in sales tax for a 12500 purchase. What is the sales tax percent on the purchase?

Sebastian swam laps everyday in the community swimming pool. he swam for 45 minutes everyday, 5 days each week, for 12 weeks. in that time he swam 1,800 laps. what was his average rate in laps per hour? what do i do? how do i show work?

Solutions for the linear system 5x-2y=-48 and 2x+3y=-23

The average price of items listed on your menu is $4. The average price of all items sold in a week is $3. How can this be true? a. It can't be true b. More lower priced items are sold during the week bringing down the average c.

Bills pencil was 6 inches long. While doing his homework, Bill used up 1 1/2 inches of his pencil. Then how long was his pencil

What is the probability of either a boy or girl being born when the probability of a boy being born equals. 50 or 1/2 as does the probability of a girl being born.

What are numbers such as 1,2,4,5,10 and 20 called

A bag with 2 1/2 ounces of peanuts can make 2⁄3 of a jar of peanut butter. How many ounces are needed to fill the whole jar? The answer in decimal form.

Denis made a scale drawing of his backyard, using the scale 1/4 inch = 3 feet. The rectangular swimming pool was 2 inches long and 1 inch wide in the drawing. What was the area of the actual swimming pool? Show all the steps!