Here is an expression: 2x + 3y. Decide if the values in each ordered pair, (x, y), make the value of the expression less than,
greater than or equal to 12.
1. (0,5)
2.(6,0)
3. (-1,-1)
4. (-5, 10)

Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75