Answer:
$2.40
Step-by-step explanation:
5.45 + 2.15 = 7.60
10 - 7.60 = $2.40
The perimeter is all sides length added together. You can make an equation:5+5+x+x where x is the length.
5+5=10 18-10=8 There is two sides so you do eight divided by two
The length is 4
Answer:
C
Step-by-step explanation:
The answer of the First one is 76
Answer:
Combine like terms - 3+x=4
Given - 3 +4x -3x =4
Subtraction Property of Equality- x=1