Given statement if two angles add to 180 then they are supplementary

12. The width of a rectangle is 16.55 inches. The length of the rectangle is half its width. What is the perimeter of the rectangle? A. 16.55 inches B. 49 1/2 inches C. 66 1/5 inches D. 49.65 inches

What is the slope of a line perpendicular to the line whose equation is x - 3 y = 12 x-3y=12.

There is two questions! A two-dimensional figure with four sides has 2 pairs of opposite parallel sides, 4 congruent sides, and 4 right angles. Classify this figure in as many ways as possible. Select each correct answer.

Solve for "x"4x - (2x 3) = 7

What is 1363.2:16 with the work

4x + 6 - 2x = 14 2x + 6 = 14 2x + 6 - 6 = 14 - 6 2x = 8 2x divided by 2 = 8 divided by 2 x = 4 what is the operation used to solve the equation?

Which choice correctly describes this event? I will roll a standard die and land on 0. A) Certain B) Likely C) Unlikely D) Impossible

1) A survey of favorite colors showed 198 people chose green, 212 chose blue, and 187 chose red. If 39% of the people surveyed are children, ABOUT how many people surveyed were children? (use a calculator - show all work!)

Clarence writes the number - 240 to represent the amount he owes his brother Joe. What numbers should Clarence use to represent the other amounts given above?

What is the sum of - 7 and its additive inverse?