E term of a sequence is given by 2.1 + 1. Write down the first four terms of the sequence. first four terms of another sequence are 1, 7, 17, 31.
comparing this sequence with the sequence in (a), write down, in terms of n, a formula for the n"
jerm of the sequence.
Hence, find the 388 term.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

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