1. what is the algebraic expression for the following word phrase: the quotient of 7 and the sum of 3 and z?
a. 3-z

7

b. 7

3-z

c. 3+z

7

d. 7

3+z

2. write an algebraic expression for the following word phrase: the quotient of 3 and z

a. 3

z

b. 3

3z

c. 3z

d. 3-z

3. which property is illustrated by the following statement:
(3z)xy=3(zx)7

a. associative property of multiplcation
b. commutative property of multiplication
c. inverse property of multiplication
d. commutative property of addition

4. you made two deposits to your bank account this month. one deposit was $17.92, and the second deposit was $15.33. your balance at the end of the month is $72.31, and you made no withdrawals. write and evaluate an expression for your balance at the beginning of the month.

a. $72.31 + ($17.92 - $15.33)
b. $72.31 - ($17.92 - $15.33)
c. $72.31 + $17.92 + $15.33
d $72.31 - $17.92 - $15.33