At the school store, pencils and pens are sold. for every 3 pens sold there are 7 pencils sold.

if 150 of these two items are sold, how many will be pencils?

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)