A triangle has sides with lengths of 45 miles, 60 miles, and 75 miles. Is it a right triangle?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square