Answer:
$23.40
Step-by-step explanation:
Answer: 3.5a+5b=470 and a+b=115
Step-by-step explanation:
It is C. Associative property of multiplication
Answer:
B.
Step-by-step explanation:
For an expression to be a polynomial , it must contain no square roots of variables, no fractional or negative powers on the variables, and no variables in the denominators of any fractions.
Step-by-step explanation:
13x+7y-2x+6a
combine like terms
=13x-2x+7y+6a
=11x+7y+6a
simplified
