Evaluating Algebraic Expressions
2
81
7 less than a number
n-7
"="
Is 39 prime or composite?
Composite
7
20/3
13 increased by twice a number
13+2n
">"
Is 2 prime or composite?
Prime
32
45
the product of a number and 11
11n
"<"
Prime
32/9 or 3 5/9
4 times the sum of a number and 5
4(n+5)
Composite