X3+2x-1=2 solve for x

What is 75 percent of 280

The grades on the last history exam had a mean of 80%. Assume the population of grades on history exams is known to be distributed normally, with a standard deviation of 5%. Approximately what percent of students earn a score between 70% and 80%? A.

What solid figure has twice as many edges as faces? a. triangular prism b. rectangular prism c. square pyramid d. triangular pyramid

4 times a number plus 5 times a number is the same as ten more than 8 times the number

Cynthia bought spools of black, silver, and white ribbon which cost $4 each for a party. She also spent a total of $79 on party favors.

The formula l PRT where l - Interest, P principal, R rate, and T time is used to calculate the amount of simple interest earned. Solve this formula for T.

A rectangular sandbox has a width of 555 feet. The sandbox is 555 times as long as it is wide. What is the perimeter of the sandbox?

Cedro collects state quarter. He has 42 out of 50 available quarters. What is 42 out of 50 as a percent

6. A building is composed of three rooms as shown. What is the perimeter of the building? 14 ft 22 ft 12 ft

Darren jogs 425 meters and runs 650 meters in one workout. he performs this workout three times. what is the total distance covered in the three workouts