How do I determine whether each binomial is a difference of two squares

A neutron star has a density of about 5.9 10 17 kg/m3. What would be the approximate mass of a 1-centimeter cube (a cube 1 cm on all sides) ? 5.9 1014 kg (1300 trillion pounds) 5.9 108 kg (1.3 billion pounds) 5.9 1017 kg (1.3 quadrillion pounds) 5.

A chemist weighed out 101. g of potassium. Calculate the number of moles of potassium she weighed out. Round your answer to 3 significant digits.

What error did Louise make in her model?

Which is the correct way to factor 3x^2-5x-2?

If 75 capsules of a drug cost $60, what would 40 capsules of the same drug cost?

Which statements are true about exponential decay functions? Check all that apply. A. The domain is all real numbers. B. As the input increases, the output increases. C. The graph is the same as that of an exponential growth function. D.

A number has the digits 2, 8 and 6 to the nearest ten the number rounds to 830. what is the number?

What is the fifth term in the expansion of (3x - 3y) 7?

Four brothers work together to mow 3 equalized fields. Each brother mows the same amount. How much does each brother mow? Mark all that apply.

Cameron opens a checking account and a savings account at his local bank. He deposits $10,000 into his checking account and $2,000 into his savings account. He will withdraw $1,200 from his checking account each year.