Here is the set using D = rt.
Jet 1:
rate = 377 mph
time = x
Distance = 9128 miles
Jet 2:
rate = 275 mph
time = x
Distance = 9128 miles
Equation:
377x + 275x = 9128
You finish.
x = 0, x =
, x = - 
since we have a product of factors equal to zero, equate each factor to zero and solve for x
x² = 0 ⇒ x = 0 ( multiplicity 2 )
5x - 7 = 0 ⇒ x = 
3x + 2 = 0 ⇒ x = - 
A)
g(a) = (3a - 5)^2 + 4a - 1
b)
g(a+2) = (3(a+2) - 5)^2 + 4(a+2) - 1
g(a+2) = (3a + 6 - 5)^2 + 4a + 8 - 1
g(a+2) = (3a +1)^2 + 4a + 7
It is given in the question that the formula of volume of cone is

Where V is the volume, r is the radius and h is the height.
And we have to find an expression for h.
First we multiply both sides by 3, and on doing that we will get

Now to isolate h, we have to get rid of pi r square by dividing.

Therefore the correct option is B.
Really wishing you Grace on the assignment :)