Answer:
The answer is D
Step-by-step explanation:
Answer:
She needs about 398 more dollars
Step-by-step explanation: The price of the whiteboard is $989. Add the money from what she collected and the fundraising. 485+106 then you take that and subtract it from 989.
Hope this helped!
49 is a square of 7 and 4 is a square of 2. To get 45 you need to subtract 7² and 2². Therefore, its the difference of squares.
Answer:
Let L be the length of the rectangle and w be the width of the rectangle.
"The lenght of a rectangle is one less than twice the width" means L=2W-1
Using perimeter formula of a rectangle which is P=2(L+W) you have:
P=2(L+W)
130=2(2W-1+W)
Solve equation above to find W
130=2(3W-1)
130=6W-2
130+2=6W
132=6W
W=22
From here you find L=2W-1=2x22-1=43
Only thing left is to find area A=LxW
