Solve the following system of equations. in other words, which values for x and y make both equations true? 3x + 5y = 23 y = 4x

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.