The concentration, in milligrams per milliliter, of a vaccination in a patient’s bloodstream can be represented by , whereC(t)is the concentration and t is the time, in hours, since the vaccination was injected. For how many hours, to the nearest tenth, will the concentration of the vaccination be greater than or equal to 0.05 mg/mL?

d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation:

0.32

step-by-step explanation:

2.24/7

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.