How can you use a hundred chart to solve 90_ 80? solve the problem. then explain how you got your answer

Is -24 a solution to the equation -16+2x=-64

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your