If a=(-2, -4) and b=(=8, 4) what is the length of ab

Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin. how many doctors use brand x aspirin

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?