What is 7.5 as a fraction?

the sixth-graders raised 2/3 as much money as the seventh-graders at the school fair in the morning. In the afternoon, the sixth-graders continued to raise more money. In the end, they raised twice as much money as the seventh-graders.

Show that for any real numbe?, the solution to the equation 10x = 3 ∙ 10? is log (3) + ?.

Classify the following polynomial by degree and number of terms: 3x+12

In a week tracey earns $12.45 less than twice the amount Kayla earns. Tracy earns $102.45 write and solve an algebraic equation to show how to find the amount that Kayla earns

13,040,000 in scientific nitation

The Cooking Club made some pies to sell at a basketball game to raise money for the new math books. The cafeteria contributed three pies to the sale. Each pie was then cut into eight pieces and sold. There were a total of 80 pieces to sell.

How many years will it take for an initial investment of $20,000 to grow to $30,000? Assume a rate of interest of 6% compounded continuously.

A local music store sells a popular brand of guitar. In one month, they sold 213 units for a total profit of $13,951.50. If the shop sells 254 units the next month, what will be the total profit? A. $15,240 B. $16,510 C. $16,637 D. $17,780

James is 19 years old. He is three years older than twice his sister's age. How old is James' sister?

Is 145 oz equal to 9 lbs