What is the solution to the following 21+x=13

A grocer bought 300 pounds of bananas at 30 cents per pound. Experience at this store indicates that, as a result of aging, 30% of the bananas are sold at 80% of cost and another 10% are discarded.

Two consecutive whole numbers the square root of 76 lies between

An account paying 4.6% interest compounded quarterly has a balance of $506,732.32. Determine the amount that can be withdrawn quarterly from the account for 20 years, assuming ordinary annuity.

The lengths of the sides of a rectangular window have the ratio 1.2 to 1. The area of the window is 811.2 square inches. What are the dimensions of the window? a. 26 inches by 31.2 inches b. 26 inches by 37.44 inches c. 28.48 inches by 28.

A number cube is Rolled 80 times and a 3 results fifteen times. what is the experimental probability of rolling a 3

If f (x) = -3x+1 then f^-1 (x) =

i have three fractions (9/10, 2/3, 2/4), i know that the order from largest to smallest is 9/10, 2/3, 2/4, but how do i actually go about figuring out WHY its in that order without just looking at it or using graphs?

A pilot takes a taxi from the airport to a hotel. The taxi driver charges a $2.50 initial charge plus $2.65 per mile. Which equation can be used to find y, the total cost of the trip, if x represents the number of miles of the trip?

10 times The sum of half a numberand six is eight

Which is greater than 3/4 or 1116 how can you be sure