Answer:
40 hours
Step-by-step explanation:
150 feet per minute
No solution is possible since you failed to provide the necessary information
over 3
I think (jk) (x) means j times k
(jk) (x) = -7x(9 - 2x) //Using Distributive Property.
(jk) (x) = -63x + 14x^2 = 14x^2 - 63
//Hope it helps.