16 because 8 rooms have 8-11, 5 rooms have 4-7, and 3 rooms have 0-3 guests.
Your answer is D 6561 multiply each number 3 and your answer will be this
Answer:
x=<u>+</u>
Step-by-step explanation:
Quadratic function =( -b<u>+</u>
)/2a
x^2+x+2-y=0
x=-1<u>+</u>
/2
x=-1<u>+</u>
/2
x=<u>+</u> 
Pretty sure this is right. Would appreciate a brainliest
Answer:

Step-by-step explanation:
Take out 3x from both sides:
5x - 3x = 3x - 3x
2x = 0
2x + 9 = 1
Take out 9 from both sides:
9 - 9 = 1 - 9
0 = -8
Divide 2 from both sides:


A school custodian waxed a gymnasium floor that measured 20 feet by 20 feet. How many square feet did she have to wax?
If it's 20 feet * 20 feet = to
400 sq.ft
Hope this helps!