7.8 x 10 to the forth power divided by 8 x 10 to the 1 power

Five marbles are randomly selected with replacement. the probability that a black marble is chosen is 15%. what is the probability that 2 marbles are black? what is the probability that at least 2 marbles are black?

The appropriate mixing ratio for a solution to kill bloodborne pathogens is 1 part chlorine to 10 parts water. If you are mixing a solution in a spray bottle with 15 ounces of water, how much chlorine do you need to add for the correct ratio?

Negative magnitude rotation is

An aircraft factory manufactures airplane engines. the unit cost (c the cost of dollars to make each airplane engine) depends on the number of engines are made, then the unit cost is given by the function C (x) = 0.3x - 210x+46,651.

Y = 250 + 15x what do the slope and y intercept represent

The variable x represents a value in the set f4; 6; 7; 8g. Which value of x makes 2 (x-4) + 3 = 7 a true statement?

What is 4 plus negative 2 and 1 third

The transformation: (x, y) → (x+5,7 Reflection Translation Dilation Rotation

How does doubling the measure of each dimension in a rectangular prism change the volume of the prism

How many solutions does the equation sin (5x) = 1/2 have over the interval 0,2pi