Solve 5a - 4a = - 9 - 8a

Assign two variables for each problem, and write the equations. Do not solve. 1) Two different types of batteries are needed to run Joshua's remote-controlled jeep. The two batteries produce a total voltage of 6.5 V.

Find the GCF of each set of numbers or monomials 12,8 24,40 20,30 42,56 9,15,24 20,28,36

3) Write an expression to represent: "8 times the sum of 10, and a number"

Simplify as an Exponent: 10 •10• 3 • 3 • 3 =

Norwood is 15 miles due north of the airport, and Belleville is 8 miles due east of the airport. How far apart are Norwood and Belleville?

Which of the following is not an integer? 17 -45 0.54

Write the equation of the line whose slope is 1/3 and y-intercept is - 3. Write the answer in slope-intercept form.

Last week, Rick's Math Website had the following number of visitors: Monday = 250, Tuesday = 501, Wednesday = 260, Thursday = 490 and Friday = 711. About how many visitors came to Rick's Math Web last week?

For each cost function (given in dollars), find (a) the cost, average cost, and marginal cost at a production level of 1000units; (b) the production level that will minimize the averagecost; and c) the minimum average cost.

The sum of three numbers is 6. the third number is the sum of the first and second numbers. the first number is one more than the third number. Find the numbers