Which set of measurements could be the side lengths of a triangle? A.2 cm, 8 cm, 12 cm
B.9 cm, 4 cm, 4 cm
C.13 cm, 7 cm, 4 cm
D.7 cm, 10 cm, 8 cm

Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items