On coordinate grid what goes first

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.