Answer the following seperate questions

19a.) 6x-1=4
19b.) 4w+3=10
Evaluate when t= -2
20a.) 5t-3
20b) the sequence 5+t, 5+2t, 5+3t, 5+4t..
20c.) 18- t²
20d) the sequence 2t- 3, 2t-5, 2t-7, 2t-9...
21.) Find the value of these expressions when p=2, q=3 and r=6
21a) 5q
21b) p+q
21c) qr
21d) 2p+ 3q
21e) r²

The only way to identify an intercept is as an ordered pair. true false

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.

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.