Simplify the following

-20+120 - (-50) / -2*60:20=

Which number produces a rational number when added to 1/4

There's 135 feet of masking tape on a roll Henry has 6 rolls how many feet of masking tape does he have in all

Corey bought 2 1/2 liters of paint for $ 60. What was the cost per liter of paint?

283 x 416 estimated

A teacher is experimenting with a new computer-based instruction and conducts a study to test its effectiveness. In which situation could the teacher use the two-sample t-test for comparing two population means?

Andy has a collection of blue and green marbles. The number of blue marbles is three times the number of green marbles. If there are 66 blue marbles in his collection how many green marbles are there

One angle of a rhombus measures 102°, and the shorter diagonal is 4 inches long. Approximately how long is the side of the rhombus? (Hint: Diagonals of a rhombus bisect the angles.) 2 in. 3 in. 4 in. 5 in.

Y=1/x^2-4 i need to know how to get the answer

3/657 using partial quotients

10.5 as a mixed number