Clara made 20L 500 mL of lime squash on Saturday and 18L 255 mL of lime squash on Sunday. How much more did she prepare a lime squash on Saturday than Sunday?

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?