Factor the polynomial completely. x2 - x + 7a)(x + 7)(x -1)b)(x + 1)(x + 7)c)(x - 7)(x + 1)d)cannot be factored

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²