2x+3y=-12 2x+y=4 after adding the two equations to eliminate x you are left with 4y=-8 solve for y

Simplify the expression 10/11(22z) + (a+5) -1

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.

Quadrilateral abcd is a parallelogram with diagonals that intersect at point e. which of the following statements is true?