2x + 4 (x-1) = 2 + 4x one equation or many

What is the mean of the data set? 76, 79, 80, 82, 50, 78, 83, 79, 81, 82

How do you solve 45 = 3 (x + 1) using the distributive property?

According to records from the last 50 years, there is a 2/3 chance of June temperatures being above 80 F. Azul needs to find the probability that it will be above 80' F for 20 or more days this June. There are 30 days in June.

The five members of a band are getting new outfits. Shirts cost $12 each, pants cost $29 each, and boots cost $49 a pair. What is the total cost of the new outfits for all of the members?

three times the measure of a supplement of an angle is 8 times the measure of a complement of the angle. find the measure of the angle

How do I prove the corresponding angles theorem?

Ben thought an assignment would take 20 minutes to complete. It took 35 minutes. What is the percent error in his estimate of the time?

Three less than the product of 8 and a number is equal to 6

Using the diagonals, determine whether or not ABCD is a rhombus? How do I show my work on this?

Factor 2n (n + 3) - 5 (n + 3). A. (n + 3) (2n - 5) B. (n + 3) (2n + 5) C. cannot be factored D. (n - 3) (2n + 5)