4 less than twice a number, n

a. 4 - 2n

b. 2n - 4

c. 4 - n2 (2 is up top like writing exponents)

d. n2 - 4

In Hamilton County, Ohio the mean number of days needed to sell a home is 86 days (Cincinnati Multiple Listing Service, April, 2012).

Which of the following words does not indicate multiplication? A times B. of C. product D. more than

IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. If a certain statistician has an IQ of 122, what percent of the population has an IQ less than she does? A. 7% B. 22% C. 93% D. 99% E. 47%

You have $83 in your bank account. Each week you plan to deposit $8 from your allowance and $15 from your paycheck. The equation b 83 + (15 + 8) w gives the amount b in your bank after w weeks.

Which expressions are polynomials? Select each correct answer. -x^2+5x -7x^2+53x x^2+5x^1/5 6x² + 5x

Avery had 82 Girl Scout cookies. 10 cookies fit onto a plate. How many full plate of cookies will avery have?

How many real number solutions does the equation have? 0=-4x^2+7x+8 No Solutions One Solution Two Solutions Infinitely Many Solutions How many real number solutions does the equation have?

Sara can type 90 words in 4 minutes how about how many words would you expect her to type in 10 minutes at this rate?

The area of a circle (A) is given by the formula A=pi*r2 where r is the circle's radius. The formula to find r is. If and, r is centimeters.

Elizabeth has a piece of ribbon that is 4.5 m long she wants to cut into pieces that are 0.25 m long how many pieces of ribbon