Combine like terms for 2z - z + 6

Triangle CED has side lengths 5x - 8, 3x - 4 and 13x + 3. what expression represents the perimeter of triangle CED?

In a certain year, 86% of all Caucasians in the U. S., 77% of all African-Americans, 77% of all Hispanics, and 81% of residents not classified into one of these groups used the Internet for e-mail. At that time, the U. S.

10. Suppose y varies directly as x, and y = 9 when x = 3/2. Find y when x = 1

Colleen rode her bicycle 9.5 miles in 0.8 hour. What was her average speed in miles per hour? a 11.875 miles per hour b 10.3 miles per hour c 8.7 miles per hour d 7.6 miles per hour

Juan used 6.4 pounds of pasta in cooking this week. Marcos used 6.13 of the pasta and Maria used 6.04 pounds of pasta. Who used the most pasta?

Carmen sells electronics. She made a 10% commission on every dollar sale that she makes. One month Carmen got a commission check for $2,500. What were her sales in dollars that month?

A group of researchers is designing an experiment to test whether working late at night reduces a person's productivity.

What is the pattern? 2x/3, x/3, x/6, x/12, ...

What is Mia's error? 83 + n = 110 83 + 83 + n = 110 + 83 n=193

200 people to 240 people