How do you simplify ( 11-7)+3 using order of operations?

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need

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

Which statements are true about additional information for proving that the triangles are congruent check all that apply