HEL PLEASE

1. (28 - 22 ) ÷ ( 17-5)

2. (11 x 2 - 42 ) +4

When can u say there is no solution for a system of linear inequalities? explain your answer and show with a system and graph

The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?

What term makes it inconsistent y=2x - 4 ?