Determine whether the pair of lines is parallel, perpendicular, or neither. x - 4y = -9
y = 6x - 7

What is the solution of the systems of equations? y=2/3x+3 x=-2

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

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.)