Acoupon subtracts 5.16 from the price p of a shirt. you pay 15.48 for the shirt after using the coupon. write and solve an equation to find the original price of the shirt

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

15 points! write the slope-intercept form of the equation of the line through the given point with the given slope. use y-y = m(x-x) to solve. through (2,5) slope= undefined

Witch represents the inverse of the function f(x)=1/4x-12