Find values of x and y for no. 19because you can't solve for x and y at the same time and 40 = 12x + 4 y.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

What is the simplified form of square root of 400 to the 100th power ?