Help please!
The height, length, and width of a rectangular box are represented by 5x, 2x + 2, and x - 4. When the volume is expressed as a polynomial, what is the coefficient of the second term?
A. -30
B. 30
C. -50
D. 50

What is the value of x when x + 7 = 21?

The equation represents the function f, and the graph represents the function g. f(x)=3(5/2)^x determine the relationship between the growth factors of f and g. a. the growth factor of g is twice the growth factor of f. b. the growth factor of f is twice the growth factor of g. c. the growth factor of f is 2.5 times the growth factor of g. d. the growth factor of f is the same as the growth factor of g.

The graph of y=x3 is transformed as shown in the graph below. which equation represents the transformed function?