Use the number line to determine the unknown addend in the given number sentence.
–4 + = –9

a.13

b.5

c.–5

d.–13

Can someone me and plz do the problem

How do you write something in scientific notation?

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