A loaded truck carrying iron rods weighs 27.50 tons. If the weight of the iron rods is 20 tons, what is the weight of the unloaded truck? A. 5 T
B. 5.5 T
C. 6 T
D. 7.5 T

The motion of a weight that hangs from a spring is represented by the equation h=8sin(2pi/3t). it models the weight’s height above or below the rest position as a function of time. approximately when will the object be 3 inches above the rest position?

The equations 2x-5y = -5 11x-5y = 15 9x+ 5y = 5 and 14x+ 5y = -5 are shown on the graph below. which system of equations has a solution of approximately (-0.6. 0.8)?

Lena draws a square with an area that is greater than the area of rectangle b. what are two possible side lengths of lena's square? explain.