The smallest number that is divisible by each one of 9,12 and 15 is (a) 60. (b) 90. (c) 120 (d) 180

Which of these choices show a pair of equivalent expressions?

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain