Sheila has $4.75 to buy pencils for art class. each pencil costs 89¢. a) estimate the number of pencils she can buy. b) calculate the number of pencils she can buy.

X+ y = 5 ; x - y =3 solve using linear combination

Which is the graph of the linear equation x – 2y = 6?

Lucy is a dress maker. she sews \dfrac47 7 4 ? of a dress in \dfrac34 4 3 ? hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable.