Prove that for any natural value of n the value of the expression:

(5n+1) ^2 - (2n-1) ^2 is divisible by 7

What's 20*3/4 I'm bad at math

Assessment timer and count Assessment items What are the square roots of 36/100? - 9/25 and 9/25, - 6/10 and 6/10, - 18/50 and 18/50, or - 3/5 and 3/5

If a person invests $100 at 4% annual interest, find the approximate value of the investment at the end of 10 years.

Which statement is true about the difference 2√7-√28

The sharadze family is planning a car trip to atlanta, georgia, which is 279 miles from their home. they plan to drive at an average speed of 62 miles per hour. they also plan to stop for lunch for 45 minutes.

What is 10 less than 87?

Write 5% as a fraction and as a decimal.

45% of the 647 students at Royal Oak High attended the football game. How many students did not attend?

Write three equivalent ratios for the given ratio circle the simplest form of the ratio 10/20

Edgar Anderson earns $200 a week plus a 15% commission on all sales over $1,000. If Mr. Anderson's sales for one week are $2,500, what is his gross pay for that week. A. 575 B. 525 C. 350 D. 425