The swimming instructor has a list of 152 students who have signed up for swimming lessons. the swimming instructor can register 12 students in each class. what is the least number of classes needed for all the students to be registered in a class?

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.

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4