Subtract the following polynomials
(-6.7x 2 + 2.3x y + 5.2) - (-14.9x 2 - 3.5x y + 7.1)

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%