The mean of four nunbers is 70. the mean increases to 80 when a fifth number is added. what is the fifth number.

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?

Marking brainliest rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.