Which shows a difference of squares?

10y2-4x2

1672-x2

8x² - 40x+25

64x2-48x+9

Dayren is driving ti visit family. She drives at an average of 65 miles per hour. She drives 227.5 miles before lunch and then 97.5 miles after lunch. How many hours did she spend driving?

If my mom use 5 yards of ribbon to make 8 bows how many yards of ribbon would she need for 48 bows

According to a study, an average of six cell phone thefts is reported in San Francisco per day. Assume that the number of reported cell phone thefts per day in the city follow the Poisson distribution.

8x-3 (2x-4) = 3 (x-6) ?

Equivalent fraction for 1/10

The length of a rectangular field is 30 more than twice it's width. Write and expression in simplest form for the perimeter of the field in terms of its width w.

What is the solution of the equation? 3 = b 3 a. 6 b. 9 c. 1 d. 0

What is 378,472 rounded to the nearest thousand?

The relations of 20 squares to 100 squares can be expressed in many ways. Which of the following is not a way to express the relationships

Is this statement true or false 16% of 250 is equal to 250% of 16