What is the sum of ten terms of a finite arithmetic series if the first term is 13 and the last term is 89? a. 500 b. 520 c. 490 d. 510

What are “like terms”? why can we only add like terms?

The sum of two numbers is 12 and their difference is 18 what are the two numbers

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period. value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?