twice the sum of a number and 3, means you need to add the number to 3 first, then multiply by 2.
The correct expression would be 2(n+3)
Answer:1/2b^2
Step-by-step explanation: The square is b^2?
Answer:
D. 4.5% Hope this helps
we know the perimeter is 24, and is an equilateral triangle, so it has three equal sides, so each side is 24 ÷ 3 = 8.
Sry if it is wrong..........