Math Mastery Challenge

Solve for x: 2x + 5 = 15

• 7

• 10

• 0

• 5

What is the ratio of 8 to 12 in simplest form?

• 3 to 4

• 1 to 2

• 4 to 5

• 2 to 3

Calculate the area of a rectangle with length 5 cm and width 3 cm.

• 15 cm²

• 12 cm²

• 18 cm²

• 20 cm²

Find the perimeter of a triangle with sides measuring 3 cm, 4 cm, and 5 cm.

• 10 cm

• 8 cm

• 15 cm

• 12 cm

If 3/4 of a number is 12, what is the number?

• 20

• 14

• 16

• 10

Solve for y: 5y - 3 = 2y + 9

• 4

• -2

• 7

• 1

What is 15% of 200?

• 50

• 25

• 40

• 30

If the ratio of boys to girls in a class is 2:3, how many girls are there if there are 10 boys?

• 12

• 18

• 20

• 15

Calculate the area of a circle with a radius of 7 cm (use π ≈ 3.14).

• 153.86 cm²

• 160.00 cm²

• 150.00 cm²

• 154.00 cm²

What is the perimeter of a square with a side length of 6 m?

• 30 m

• 18 m

• 24 m

• 12 m