Which expressions are differences of squares?

Select each correct answer.

t^2-1

n^2-225

p^2-40

k^2+81

On the day their child was born, her parents deposited $15,000 in a savings account that earns 10% interest annually. How much is in the account the day the child turns 16 years old (rounded to the nearest cent) ?

12 is a factor of 24 ture or false

What divide 10 and 16

There are 6 red marbles, 10 blue marbles, and 9 green marbles in a bag. What is the probability that you will randomly draw either a red or a blue marble?

A rectangle has a side legnth of 32 cm and a legnth of 55 mm. What is the perimeter of the rectangle in centimeters

Solve by factoring x^2-11x+34=4

Is this the following number a four-digit number or a six-digit number? 4562.38

Which of the following is the function represented by the graph? A. y = 1 / (x + 3) - 5 B. y = 1 / (x - 3) + 5 C. y = 1 / (x + 5) - 3 D. y = 1 / (x - 5) + 3 Consider the graph below. On a coordinate plane, 2 curves are shown.

Explain two different squares that can be made using the number 9

Leah is three times older than her cousin. If they add their ages together, they get 12. Write an equation to represent the word problem and solve the equation and how old is Leah and her cousin?