One side of rectangle is 3 inches shorter than the other side, the perimeter is 54 inches. what are the dimensions of the rectangle? which of the following equations could be used to solve the problem? 2x+2(x-3)=54. 2x+2x-3=54. 2x-3=54.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27