Mathematics

Add 3/5 + 1/4 =

• 7/20

• 17/20

• -17/20

• 12/20

A submarine was situated 800 feet below sea level. If it ascends 250 feet, what is its new position?

• 1050 ft

• 600ft

• 650ft

• 550 ft

A T-shirt costs $50. You get 10% off in the sales. How much do you pay for the T-shirt ?

• $45

• $15

• $10

• $35

There are 20 questions in a test and you get 75% correct. How many questions do you get right ?

• 5

• 15

• 10

• 4

What fraction is equivalent to 25%?

• 1/4

• 1/2

• 1/3

• 2/3

Fill in the blanks with <,> or = sign (− 25) + (− 10) _____ (− 25) - (− 11)

• <

• >

• =

3 is a least prime number

• False

• True

Simplify the expression.-4(9 + 3x) - 4(x - 2)

• -16x-44

• 20x - 12

• 30x - 9

• -16x-28

What is the leading coefficient of the following polynomial?5x²-3x+6

• 2

• -3

• 5

• 6

What is the degree of the polynomial?x³y² - 7x²y + 3

• 3

• 7

• 5

• 1