Find the midpoint of the segment below and enter its coordinates as an ordered pair. If necessary, express coordinates as fractions, using the slash
mark ( / ) for the fraction bar. (1,-1) (4,-4)

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax