Three tables are placed side by side. One table is 2 feet 10 inches wide, another is 3 feet 4 inches wide, and the third is 2 feet 11 inches wide. How wide are they combined?
Write your answer in feet and inches. Use a number less than 12 for inches.

The table shows a pattern of exponents. what is the pattern as the exponents decrease?

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10