4. here are the ingredients needed to make 12 shortcakes.
shortcakes
makes 12 shortcakes
50 g of sugar
200 g of butter
200 g of flour
10 ml of milk
liz makes some shortcakes.
she uses 25 ml of milk.
(a) how many shortcakes does liz make?

do you have the measurements?

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8