A jacket is on sale for $68, which is 80%
of its original price. What was the price
before the sale?

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)

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2