Charlie made $276 for 12 hours of work. At the same rate, how many hours would he have to work to make $207?

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Abook store is having a 30 perscent off sale. diary of the wimpy kid books are now 6.30 dollars each what was the original price of the books

Which angle of rotation is an angle of rotational symmetry for all figures?