Mr. Jensen bought some pens at a school supply store, including 15 black pens. 30% of all the pens he bought were black.
How many pens did Mr. Jensen buy in all?

7.(03.01 lc)which set represents the range of the function shown? {(-1, 5), (2,8), (5, 3), 13, -4)} (5 points){-1, 2, 5, 13){(5, -1), (8, 2), (3,5), (-4, 13)){-4, 3, 5, 8}{-4, -1, 2, 3, 5, 5, 8, 13}

If there are 3.281 feet in 1 meter, how many inches are in one centimeter

Find the value of x in the diagram below. select the best answer from the choices provided