Learning Task 1: Evaluate the following expressions using GEMDAS or PEMDAS rule.
1. 10 - 2 + 6 = 3
2: (8 + 2) - (9-22)
3. 32-15 5 + (6 + 4)
4. 5 + 2 - 3
5. 20 - 5 x 4 + 1
6) 8 x 2 - 4 + 2 + 6
7) (-3)2 - 6 + 3
8) 9 x 8 - 36 - 4
9) 3 + 2 + 8 = 4 (4 - 2)
10) 16 - 62 + 36

How do you determine if an ordered pair is a solution to a given equation?

Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours