What is the area of the trapezoid below

Cherie works in retail and her weekly salary includes commission for the amount she sells. the equation s=400+0.15c models the relation between her weekly salary, s, in dollars and the amount of her sales, c, in dollars. interpret the slope of the equation.

2x + 3y = 17 5x + 6y = 32 usibg method if elimination

If point a= (10,4) and b= (2,19) what is the length of ab 17 units 15 units 23 units 12 units