Integers
-6 + 13
7
Angles smaller than 90 degrees.
acute
Simplify
2/6
1/3
x + 5 = 9
x = 4
4-(-7)
11
Angles that add up to 90 degrees
Complementary
3/2 = ?/8
12
6y = 54
y = 9
5xx (4-2)
10
Angles that add up to 180 degrees
Supplementary
Convert 0.6 to a fraction.
3/5
5 - x = 1
x = 4
10-2xx3
4

vertically opposite angles
1/3+1/4
7/12
x/4=4
12:5
4-3xx(-2)-:2
5

Alternate angles
3/8 xx 2/5
6/40 = 3/20
2x+7=13
Pay rate = $7/hour In a 40-hour week Bill would have earned $280.
x=3