Which expression can be used to simplify this expression? -2 divided by 1 and 3/4

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?