Answer:
15cm
Step-by-step explanation:
All you need to do for this is divide the perimeter (60) by the number of sides on a square (4). 60÷4=15
Answer: When you combine like terms in a algebraic expression, you do not add the exponents! When you combine like terms in an equation, such as a^2 and 4a^2, you only combine the numbers, not the exponents. The exponent attached to the number stays the same. a^2 and 4a^2 would be 5a^2.
Answer:
20 quarts of each ingredient, i'm assuming because lack of details.
(x+6)2+(y-10)2=36 , would be your equation.
<span>It's easy enough. Solving looks like that: p(roll of 8)+p(roll of 12) =</span>

Hope everything is clear.