Sam worked on his science fair project for 1/4 hour on friday and 1/2 hour on saturday. what are four common denominators for the fractions? explain your reasoning.

You are constructing a histogram for scores that range from 70 to 100 in whole points. frequencies range from 3 to 10; that is, every whole-point score between 60 and 100 occurs at least 3 times, and at least one score occurs 10 times. which of these would probably be the best range and size for the score intervals along the x-axis?

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is