8x ÷ 2; x= -1/4 what is the answer to this difficult question

What situation is an example of an observational study

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

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups