Given: angle DEF is located on the coordinate plane angle D measures 136 degrees
if the triangle is rotated 90 degrees counterclockwise about the origin to form angle D'E'F', what is the measure of angle D'?

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

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

The measures of ? 1, ? 2, and ? 3 are 40%, 12.5%, and 25% of the sum of the angle measures of the quadrilateral. find the value of x.