Sheeba thought of a number, added 7, multiplied by 3, took away5 and divided by 4 to give an answer of 7. Find the number

Daniela rented a car. She paid a flat rate for the day, plus a cost per mile charge. The expression 0.15x+220.15x+22 represents the amount Daniela paid.

9x + 7y = 10 7x + 7y = 14

A pair of gym shoes are on sale for 51$ this is 75% of the original price. What was the original price

How to simplify using distributive - 8 (x + 4)

How many 3/8 are in 3?

A train travels at 80 miles per hour. An equation can be written that compares the time (t) with the distance (d). What is the domain and range?

A clock's battery is running low. Every 6 hours, it slows down by 1 hour. By how much does it slow down in 1 hour?

Between 2000 and 2010, the percentage of households with cordless phones increased by 12.9% to 86%. What percentage of households had cordless phones in 2000

A box of old books contains 6 mysteries, 4 biographies, and 2 children's books. Which of the following can be used to determine the probability of choosing a mystery book from the box, replacing it, and then choosing a biography?

Surveys are used for a variety of studies, particularly when the population is large. Why?