What is the length of dc?

a. 2 units
b. 3 units
c. 6 units
d. 9 units

Multiplying an even number of negative numbers gives an answer that is choose from:

Carmen begins her next painting on a rectangular canvas that is 82.7 cm long and has a area of 8,137.68 cm2. will the painting fit in a frame with an opening that is 82.7 cm long and 95 cm wide? explain

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.