Ling needs to write 50 thank you cards. Each hour she sits down and writes some cards. The table below shows the total
number she has completed by each hour. If she continues with this pattern, by what hour will she finish writing the cards?
Time Number Written
8.00 AM
3
9:00 AM
7
10 00 AM
12
11:00 AM
12.00 PM
25
a 3:00 PM
b. 5:00 PM C.2:00 PM
D.4:00

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Ascientist places 24 cells in a petri dish. she knows the cells grow at an exponential rate, doubling in number every hour. how long will it take (in hours) for there to be 1100 cells in the dish? time to 1100 cells: 5.51832530 hours how long will it take to reach 110 cells? time to 110 cells : 2.1963972 hours what is the average rate of change in the number of cells between 9 hours and 11 hours? average rate of change: cells per hour what is the instantaneous rate of change after 7 hours? instantaneous rate of change: cells per hour note: you can earn partial credit on this problem.

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3