I think a is 20 and b is 40 or a is 12
Answer:
ba.80 5. Area =72 5. Perimeter =44 6b.36
Step-by-step explanation:
ba. b*h is the formula the base is 10 and the height is 8 multiplied is 80.
Explanation=in the comments
An expression does not have an equal sign.
Since the value of a nickel is 5 cents and you want to find out the value of n nickels (which means if you had any number of nickels) the expression would be
.05n