Mark is painting his house. He used 5 gallons of paint to cover 1,750 square feet and he used 7 gallons to cover 2,450 square feet.
How many square feet does each gallon of paint cover?

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached