The price of a sweater increased from $15 to $21 what is the percent of change?

Write an inequality to model the situation: The number n of people who attend the class was at least 8

Determine which is the greater amount of money. Write each as a fraction of a dollar in lowest terms. A. 15 dimes or 7 quarters b. 45 pennies or 8 nickels c. 100 pennies or 25 nickels d. 208 dimes or 50 quarters e. 1,478 nickels or 295 quarters

Diego has purchased a $159,000 home with a 30-year mortgage at 5.05%. He can make a monthly payment of $1,300. If he were to make this payment each month, how long will it take him to pay off his mortgage?

A baker mixes 8 3/4 cups of white flour with 2 1/2 cups of rye flour for a recipe. How many cups of white flour does the baker mix for every 1 cup of rye flour?

The temperature of a room during an experiment can be modeled by the function f (x) = 23.7cos (πx60) + 18, where f (x) is the temperature °f and x is the number of hours into the experiment.

A 5 ounce can of tuna cost $.90 a 12 ounce can of tuna cost $2.40 which is the better bye

Solve equation 2 (x+4) = - 5x + 1 show each step

To choose a sample for a survey of seventh graders, the student council puts pieces of paper with the names of all the seventh graders in a bag and selects 20 names. Is it ransom sample or a biased sample. Explain.

The radius of a basketball is 4.7 inches what is the volume of the basketball round to the nearest ten

1) 3x^2 + 4x + 5x^2 - 5y 2) (4x - 2y) - (2x + 5y) 3) 3x^3 (4x^2) 4) 5 x cubed y to the fourth z all divided by 10 x y squared z cubed 5) (-8a^3b^4) ^2 6) (x + 6) (x - 6) 7) (2x - 7) ^2 8) (2x + 5) (3x - 7) 9) 5 x cubed y plus x y to the fourth plus