Determine the value of r so the line that passes through each pair of points has the given slope.
9. (-2,7) and (1,3); m =
4
3
10. (4,-5) and (3,r); m = 8

For what value of x does 4x = (1/8) x + 5?

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

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.)