X-intercept: (-4,0)
y-intercept: (0.4)
So when the pool is filled by the two hoses together in 30 minutes, the larger hose itself fills 30/40 = 3/4 of the pool. That means in those 30 minutes the smaller hose fills 1/4 of the pool; and that means it would take the smaller hose 30*4 = 120 minutes to fill the pool alone.
Answer:
60(10 -7) - (-26/2)^2 (do the problems in the parenthesis)
60(3) - (-13)^2 ( multiply 60 and 3 and then square -13)
180- 169 (subtract)
11
Answer:

Step-by-step explanation:
=)
Hope this helps!
You round 92 to 90. Then you round 68 to 70. Now you know that 9x7 = 63. You add to zeros to that answer and get 6300. So 92x68 is about 6300. The actual answer of the problem 6256 that will round up to 6300