A bag contains 5 red balls, 3 green balls, and 2 yellow balls. Find the sum of the probability of drawing a red ball, replacing it, drawing a green ball, replacing it and drawing a yellow ball.

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

Describe the relationship between the angles of similar triangles and the sides of similar triangles

What is the value of x in the following equation? -3x-2=2x+8