Given the information below, is triangle qrs similar to triangle uvt? if so, give the scale factor

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?

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b