Math Mastery: Ratios, Percentages, Exponents, Variables, and Quadrants

What is the ratio of 30 to 45 in its simplest form?

• 2:3

• 3:4

• 1:2

• 3:5

What is 20% of 150?

• 20

• 30

• 25

• 35

• 5

• 25

• 15

• 10

• 3

• 4

• 5

• 6

In which quadrant is the point (-3, 2) located?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

• 80%

• 40%

• 20%

• 60%

• 2

• 3

• 4

• 5

What is the ratio of 60 minutes to 2 hours in its simplest form?

• 1:2

• 1:4

• 1:1

• 2:1

Convert 0.75 to a percentage.

• 75%

• 7.5%

• 750%

• 0.75%

In which quadrant is the point (5, -3) located?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV