The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with 190 grams of a radioactive isotope, how much will be left after 3 half-lives?

The line graphed by the original function f (x) = 13x+1 is translated to g (x) = 13x-17 using the mapping statement f (x) ↦f (x) + k. What is the value of k?

1/8 of Tonys books are mystery books he has three mystery books how many books does Tony have an all

At a party, Pedro filled a punch bowl to the top with fruit punch. The punch bowl is in the shape of a half a sphere. It has radius of 9 inches. Pedro served the punch in cone-shaped cups that each have a radius of 1.2 inches and height of 4 inches.

Which algebraic expressions wound not have the same meaning if the number and the variable were reversed? A. n+8 B. m-5 C. Kx8 D. 4+X

Expand and simplify 5 (2x 4) 3 (7x-3)

In a group of 100 adults, 75 percent of the women are left-handed. if there are 12 right-handed women in the group, how many men are in the group?

recipe calls for 2 2/4 cups of raisins but Julie only has one cup 1/4 cup measuring cup how many 1/4 cup does truly need to measure out 2 2/4 cups of raisins

If h (x) = 6-x what is the value of (h*h) (10)

a square pizza box has a width of 24 in. What is the area of the largest circular pizza that could fit in the box?

The temperature of a city changed by - 15 degrees Celsius over a 5-week period. The temperature changed by the same amount each week. Write an expression to show the average change in the temperature of the city each week.