There are 4 lunch choices in a school cafeteria: salad, pizza, spaghetti, and sub sandwiches. the percentage of students that chose salad is 15%. if 45 students chose salad, what is the total number of students that ate lunch?

What are the exclude value of mn+3m

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe