Simplify: 4.2(3.9r – 5.9s) + 7.9s – 9.53r
A. 16.88r + 6.85s
B. 10.82r + 31.15s
C. 10.82r – 31.15s
D. 6.85r – 16.88s

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Consider the triangle. which shows the order of the angles from smallest to largest? angle a, angle b, angle c angle b, angle a, angle c angle b, angle c, angle a angle c, angle a, angle b