So how do i go about doing this, ik the formula for trapezoid area, but the answer i get isn't in the options. i figure the base is 9 cm due to the 2 triangles being next to it. 2+5+2=9 of course, but i clearly can't get the right answer. any or tips?

The system of equations graphed below has how many solutions? y = 2x + 2

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?