X2-4x+9=0 complete the square

David and his friends are making lasagna for a school dinner. There will be 400 people at dinner. The recipe for 100 people uses 5.6 kg of hamburger, 3.4L of cottage cheese, and 2.7 kg of pasta.

The recursive rule for a sequence is shown. an=an-1+6 a1=39 What is the explicit rule for this sequence? an=33n-6 an=6n+33 an=6n-33 an=33n+6

At a particular music store, CDs are on sale at $14.00 for the first one purchased and $12.00 for each additional disc purchased. Maria spends $86.00 on CDs. How many CDs has Maria purchased? 6 7 8 9

Which of the following is (are) the solution (s) to |x+3|=7x-4

2) According to Consumer Reports magazine, the costs per pound of protein for 20 major-brand beef hot dogs are $14.23, $21.70, $14.49, $20.49, $14.47, $15.45, $25.25, $24.02, $18.86, $18.86, $30.65, $25.62, $8.12, $ 12.74, $14.21, $13.39, $22.

Suppose S and T are mutually exclusive events, P (S) = 5%, and P (T) = 11%. Find P (S or T).

The graph of a quadratic function f (x) intersects the x-axis At - 3 and 5. Create a function that would produce these results.

Tina wants to save money for school. Tina invests $1,100 in an account that pays an interest rate of 7.25%. How many years will it take for the account to reach $6,600? Round your answer to the nearest hundredth.

Is 3/16 of a mile less than 3/4 of a mile?

The perimeter of a rectangle is 524 m. The length is 42 m greater than the width. what is the length of the rectangle