Which of the following functions are quadratic functions? (Select all that apply.)

A. f (x) = 2x - 4

B. f (x) = 3 - x2

C. f (x) = 3x2 - x - 6

D. f (x) = 3 x2

Re-write the decimal 045 as a fraction. Explain how you know your answer is correct.

Which expressions are equivalent to 5x - 15? Select three options.

7 hundreds * 10 in unit form

The quotient of 14 and a number is 1/3

140 is 80% of what number

For any positive integer n, the length of n is defined as the number of prime factors whose product is n. For example, the length of 75 is 3, since 75 = 3 * 5 * 5. How many two-digit positive integers have length 6?

Graph the linear equation in two variables. Find at least five solutions in the table of values for the equation. y=x-7 Find five ordered pairs that are solutions for the equation y = x - 7

What happens when you multiply any number by 10

The perimeter of a square is 56 cm. What is the approximate length of its diagonal?

What is the answer to 2 2/3 + 4 3/4