Aplumber charges $25 to come to a home, and $50 per hour for a repair. which equation gives the total cost, y, for a repair that lasts x hoursa) 15x-25=yb) 15x+25=yc) 25x-15=yd) 25x+15=y

y=x+9

?

step-by-step explanation:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.