Which statements about the expression 5y + 9 are true? There are multiple answers. a. The number 5 in the expression is a constant.
b. The expression has one variable term.
c. The variable in the expression is y.
d. The number 5 is not a coefficient in the expression.
e. The expression has three terms.

(b) and (c).

Step-by-step explanation:

The given expression is : 5y+9

In this equation, y is only variable. 5 times of y is added to 9.

Option (a) is incorrect as 9 is constant instead of 5.

Option (b) is correct.

Option (c) is correct as y is only variable here.

Option (d) is incorrect as 5 is coefficient of y only not of whole expression.

Option (d) is incorrect as there are 2 terms i.e 5y and 9.

Hence, correct options are : (b) and (c).