51pts! which expression represents a difference of squares?

A. 81-49y^2

B. 25k-64

C. t^2+100

D. 4x^2-16x

Plane and simple riddles what did et do in the restaurant

Find the slope of the line that passes through (2, 3) and (4, 4). Simplify your answer and write it as a proper fraction, improper fraction, or integer.

What does square mile mean

Pi times seventeen equals forty-seven

What is the exact value of cos - 5pi/12

When rounded to the nearest hundred I become 500 what numbers can I be

camille rides the bus to work. to get downtown, she can ride any bus number between 11 and 34, that can be divided evenly by 3, and is an even number. wich numbers are the buses that camille could ride to work?

Trick question for fun: You're going bird hunting, you come across a group of 40 birds. You shoot 3, how many do you have left?

O is the centre of the circle the angle by arc bcd at the centre is 140 bc is produced to p find angle dcp

Find the median and mean of the data. 45, 40, 41, 68, 62, 77, 55