Show:
INTEGERS
EQUATIONS
SQUARE ROOTS
100
0
What is -1 + 1?
100
-8
What is 8(7-8)?
100
3
What is the square root of 9?
200
32
What is -20 + 52?
200
-17
What is 7(5-9)-11?
300
-25
What is 64 + -89?
300
575
What is -7(9 x -9)+8
400
-438
What is -6 x 73?
400
90
What is 6a + 6b for a=8 b=7
500
-57.6
What is -64 x .9?
500
-2a+2b-13
What is -5a-2+3a-4b+a-12+6b+1a simplify the equation.