Tell whether the sequence is arithmetic. If it is, what is the common difference? 2, 7, 13, 20...

a. yes; 5
b. yes; 6
c. yes; 2
d. no

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Aof 12 , we to a of 4 to on a .of 4 be ?