1. which is an example of an algebraic expression?
a.) 4(3 + 8)
b.) 182
c.) 3 – a
d.) 21 • 4
2. which is an algebraic expression for 5 more than z?
a.) 5z
b.) z + 5
c.) 5z + 5
d.) 5 – z
3. which word phrase can be used to represent the algebraic expression 4(21 + n)?
a.) 4 plus the sum of 21 and a number n.
b.) 4 times the product of 21 and a number n.
c.) 4 times the sum of 21 and a number n.
d.) 4 less than the sum of 21 and a number n.