Weighing in at about a ton on their 14th birthday the average t-rex grew 4.6 pounds per day from the age 14 to 18 years! using the arithmetic sequence formula an = (2000 + (n − 1)4.6) lbs what did the average t-rex weigh on his 18th birthday?

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?