$14.75 + ? = $15.70 what does it equal?

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

Find the value of x for which abcd must be a parallelogram -9-6x x-30

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes