Answer:
(6,9)
Step-by-step explanation:
the x place is counting by 2 and the y place is going up by 3
Answer:
6.4
Step-by-step explanation:
To find the distance you have to do this formula.

6.4 is the answer rounded to the nearest tenth.
Hope this helps!!
Answer:
(2) x2+1+4/x+2
Step-by-step explanation:
I hope i am right sorry if i am wrong.
Answer:
a)
, b)
, c)
, d) 
Step-by-step explanation:
a) Let assume an initial mass m decaying at a constant rate k throughout time, the differential equation is:

b) The general solution is found after separating variables and integrating each sides:

Where
is the time constant and 
c) The time constant is:


The particular solution of the differential equation is:

d) The amount of radium after 300 years is:
