51pts! which expression represents a difference of squares?

A. 81-49y^2

B. 25k-64

C. t^2+100

D. 4x^2-16x

Which two numbers have 8 as their greatest common factor: 16 and 34, 56 and 28, 8 and 28, and 16 and 84

20 out of 45 students attended the concert 12 out of 25 students attend the concert what is the equivalent rates

During his last 5 jobs, an electrician used the following amounts of cable: 12.995 m 7.505 m 10.08 m 6.95 m 9.75 m By rounding each amount to 1 decimal place, what was the total amount of cable used?

The foci of the hyperbola are (13, 0) and ( - 13, 0), and the asymptotes are y = 12 x and y = - 12 x. find an equation of the conic section with the given properties. use x and y as the variables in your answer.

How many triangles can fit into one triangle

Jo's salary before taxes is $123.75. She worked 16 hours. What is her hourly wage?

How many guards do you need for a gallery with 12 vertices? with 13 vertices? with 11?

The sum of a number and its opposite is always equal to zero. what situation models this property of addition.

Consider the rectangular prism with length 5 in., width 8 in., and height 9 in. Will tripling one of the dimensions of the rectangular prism triple the surface area of the prism? Justify your response.

The question says~ Find the number that makes the ratio equivalent to 1:4 ... 4:?