51pts! which expression represents a difference of squares?

A. 81-49y^2

B. 25k-64

C. t^2+100

D. 4x^2-16x

How much in height is 140 centimeters

I use 3 fifth size strips to model 3/5. I want to use tenth size strips to model an equivalent fraction. How many tenth size strips will I need?

What is the product of the polynomials below? (6x^2-3x-6) (4x^2+5x+4)

A movie club charges a one time membership fee (price to be part of the club) of 30$ which allows (let's) members to buy movie tickets for 8$ each another club does not charge a membership fee and sells tickets for 11$ each how many movie tickets

Asma owns $52000 in student loans for college. if the loan will be repaid in 5.5 years and the interest rate charged is 6.75% then how much will she pay altogether?

How is the measure of an arc related to its central angle?

Solve the equation for x. 2 3 x - 1 9 x + 5 = 20 x =

To which real number subset do the following real numbers belong? A. rational numbers B. integers C. irrational numbers D. natural numbers

50 cents plus how many nickels equal 1.85

The real number 8.09 belongs to which set of number A. natural numbers B. irrational numbers C. integers