You buy 24 keyboards for $120 each less 15%. what is your subtotal before taxes?
a. $2,448
b. $2,552
c. $2,425
d. $2,880

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