Which of the following formulas could be used to find the area, a, of a triangle with base b and height h?

a = bh
a = 2b + 2h
a = 1/2 bh
a = 1/2b + 1/2h

Consider circle c with angle acb measuring 3/4 radians. if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs

In september, louise planted a tree. every month, the tree louise planted grew 2 inches. what would the constant of proportionality of the line be?