Write an exponential function that can be used to model the table below:
Week 0 1 2. 3 4 5 6
Weight 100 | 88.3 75.9 69.4 59.1 51.8 45.5
Function: y = ?
What is the weight at week 20?

What is sin 7x/4 ? i need on this urgent trig

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?