On day 1 (t=0), a culture contains 420 bacteria. two days later (t=2), it has 1050 bacteria. what is the best prediction for the number of bacteria on day 7 (t=6)?

a. 5773
b. 8203
c. 6563
d. 4618

Let w=23 . what is the value of w + 45 ?

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.

The graph shows the distance kerri drives on a trip. what is kerri's speed?