Part C Next, find the length of BC place point F at (4,4) and draw BF and FC now you hav the right ∆BFC with BC as the hypotenuse find BC and FC ising the coordinates of B, C, and, F then use the Pythagorean theorem to find BC show your work need help ASAP giving thanks and points away I just need these answer fast ???

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

What is sin 7x/4 ? i need on this urgent trig

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)