A dilation maps point Q(1, 2) to its image Q’(2, 4). The completed figure Q’R’S’T’ is on the graph. What is the scale factor? Enter your answer in the box.

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9