Stefanie bought a package of pencils for \$ 1.75$1.75 and some erasers that cost \$ 0.25$0.25 each. She paid a total of \$ 4.25$4.25 for these items, before tax. Exactly how many erasers did Stefanie buy?

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?