Since 3^2 - (-4)(7) must be bigger than 0
Then it has two real roots.
The answer is going to be 3y=7x-15. hope that helped
Answer: 4/5 = .8
cos adj/hyp of r is .8
HOWEVER...
I’m assuming it’s talking about angle R...
Answer:
Hello,
If Mr. Trujilo wants to pain only the wall:
Wall:
12.5 feet x 8.5 feet = 106.25 ft2
Door
5 feet x 6.75 feet = 33.75 ft2
Wall - Door = 106.25 ft2 - 33.75 ft2 = 72.5 ft2
