Find the range of values of k for which -7x^2+9x+k is always negative for all real values of x.​

Find and classify the slope of the line through each pair of points. (2,,-16)

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =