In a box of blocks, there are r red blocks, b blue blocks,
and y yellow blocks. which fraction expresses the ratio
of red blocks to the total number of blocks?

X+ y = 5 ; x - y =3 solve using linear combination

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?