Which expressions are equivalent to 9x^4-4x^2

The vampires played 20 games the team won 4 more games than it lost. how many games did the vampires win?

While driving on the highway, Fiona averages 60 miles per hour. In the city, she averages 30 miles per hour. On a trip to her grandmother's house, Fiona drives 312 hours on the highway and 112 hours in the city.

a broadway show costs x dollars, a box of popcorn costs $8.50. The total cost for a ticket and a box of popcorn is $150

Consider a sequence that follows a times 5 pattern: 1, 5, 25, 125, ... a. Write a formula for the nnth term of the sequence. Be sure to specify what value of n your formula starts with.

Kevin is 2 times as old as Gabriela. 12 years ago, Kevin was 6 times as old as Gabriela.

3.871 round decimal to the underlined place value

You are interested in determining the effects of a recent coupon promotion on customer purchases at a local grocery store. You sample of 50 customer receipts one day after the coupon is distributed and find the customers' mean spending to be $97.

The function c (p) = 6⋅2p-1 represents the number of circles on page p in an artist's book. What does the value 6 represent in this situation? A) There are a total of 6 pages in the book. B) There are 6 circles on the first page of the book.

Victoria has a 2 pound package of flour. She uses 2/5 of the flour to make pizza. She then uses 3/10 of the remaining flour to make bread. Find the weight of the package of flour that she has left. Express your answer as a decimal.

What does mean non proportional