Which equation is correct regarding the measure of 1?
O m21 = {(a-c)
O m21 = {(a + c)
Om_1 = {(0-0)
O m21 = 2(0+0)

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

What makes a trapezoid an isosceles trapezoid?