Starting on day one with one jumping jack Keith doubles the number of jumping jacks he does everyday. how many jumping jacks will keith do on day 10?

Convert 0.00049 to scientific notation A. 4. 9. 10^3 B. 4. 9. 10^4 C. 4. 9. 10^-3 D. 4. 9. 10^-4

The sale tax on the purchase of a refrigerator that cost 695 is 7 percent. What is the amount of sales tax

A 68 year old retiree has a pension savings of $40,000 , a 401 k of $63,000 , and an IRA account of $59,000 . Before 2008 , he had 2% more cash in the pension, 12% more in the IRA, and 1% more in the 401 k.

Find the surface area of a sphere with radius r=5 in.

A bag of taffy contains three flavors: chocolate, maple, and cherry. There is an equal number of each flavor. What is the chance of reaching into the bag and getting a cherry-flavored piece? Show your answer as a fraction.

A store bought a leaf blower at a cost of $48.50 and marked it up 100%. Hugo bought it and paid 6% sales tax. What was his total cost?

A standard brick is 3.625 inches wide, 2.25 inches high, and 7.625 inches long. How many bricks could be in a pallet of bricks that measures 4 feet on all sides? (One cubic foot is 12*12*12 cubic inches.) A. 1,757 B. 1,974 C. 1,709 D. 1,778

What is the value of x in the equation - --? y = 30, when y = 15?

What is the combined weight of the 1/4 - lb bags?

What is the amplitude of g (x) = 10 cos (6x - 1) - 4?