Step-by-step explanation:
(3x-4y)×(3x-4y-(3x+4y))
(3x-4y)×(3x-4y-3x-4y)
(3x-4y)×(-8y)
-8y×(3x-4y
11 boys and 8 girls because you divide it in half the add 2 and subtract 1. That isn't the wy you are supposed to do it but it works and makes since in my head.
Answer:
Step-by-step explanation:
pi*r^2=area
1*1=1
1*3.14=3.14
the area is pi itself
Answer: 30
Step-by-step explanation:
105 + 45 =150
180 - 150 = 30
30 +90 = 120
180 - 120 = 60
2x = 60
x =30
I think its like if you got 80% on a quiz and 20% on the exam then your grade would be 60% which is usually a F