A patient tells the nurse that she has smoked two packs of cigarettes a day for 20 years. the nurse records this as how many pack-years?

These pigs travel 2 feet per second. what is the speed, expressed in miles per hour

4 (5 * + 6) what is the answer

4085 / 43 = what is the answer.

ratio of the perimeters of two similar triangles is 4:7. What is the area of each of these triangles if the sum of their areas is 65cm2.

Do you get the square root for the volume of a sphere?

Simplify the expression completely. (33/2 - 31/2) - 2

Write fraction as a decimal 7/11

Jane paid a total of $79 for a pair of shoes and 2 hats. The price of each hat was $12. Use rounding toestimate how much Jane paid for the pair of shoes.

Two redwood trees are the same height. A third tree's height is x feet. The first tree is 50 feet more than three times the height of the third tree. The second tree is 100 feet taller than twice the height of the third tree.

Express 400 miles in 6 hours as a ratio