Find an angle if it is 20° less than its complement

Which expression is equivalent to 2^4y^3

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)