A student got an 80% on a test that had 40 questions on it. How many questions did the student get correct?

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.)

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters