If the cost of a notebook is 2x-3 and the cost of a pen is x-4, what is the cost of 3 notebooks and 5 pens?

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?