Twice the sum of a number and seven is eight find the number

The wind speed changed negative 5 mph every hour for w hour's. the total change was negative 30 mph. How many hours did the change take?

What is a raccons habbitat

28.52 is what percent of 77.5

Richard kitchen measures 22 feet by 16 feet. he plans on laying tile down and each tile measures 16 inches by 16 inches. how many tiles does he need to buy?

According to the table listing average daily expenses for a tourist by country based on high and medium categories, Brazil has a range from $12.25 to $18.33, and Greece has a range from $9.48 to $16.55.

A cylinder has a volume of 400 cubic feet. If the height of the cylinder is 25 feet, what is the radius of the cylinder? Use 3.14 for π and round to the nearest hundredth.

Keira, larry and gita picked apples at an orchard. keira picked twice as many pounds as larry and 3 times as many as gita. the total weight of the apples they picked was 8,360 pounds. how many pounds of apples did each person pick

How do you Factor x22-2x+2

Identify square root of 11 as either rational or irrational, and approximate to the tenths place.

Which of the following is equivalent to 7-2 (x+2) <-4-3 (1 - x) ?