For the sequence 25, 22, 19, 16, ...,

find the

(a) formula for the n term,

(b) sum of the first 20 terms.

David as a drawer containing 3 black socks 4 blue socks and 2 brown socks if David Selects a sock from the drawer at random what is the probability that the sock will be blue or brown

What is a two digit number a multiple of and a square number?

N a chi-square test, the "expected" counts are the values we expect if there is an association between the variables. a. True b. False

Three identical boxes A, B and C each have two drawers. Box A has a dollar in each drawer, Box B has 5 dollars in each drawer and Box C has 1 dollar in one and 5 in the other. A box is chosen at random and a drawer is opened, and found to contain $5.

Is square root of 254 irrational?

A factory produces widgets. At the end of production, there is a quality assurance process that rejects all faulty widgets. On the first day of the month, the factory produced 211 widgets, 13 of which were faulty.

At the grocery store, you can purchase loose lemons at 2 for $0.99. You can also buy a bag of 6 lemons for $2.50. Which is a better buy

Aaron is staying at a hotel that charges $100 per night plus tax for a room. A tax of 8% is applied to the room rate per day and an additional one-time only fee of $5.00 is charged by the hotel.

What is the area of the shaded triangle? A triangle has 24 millimeters and a height of 8 millimeters. 72 mm2 96 mm2 120 mm2 150 mm2

A contractor estimated that her expenses for a construction project would be between $700,00 and $750,000. She has already spent $496,000. How much more can she spend and remain with her estimate?