Step by step explanation
area= 2πrh
-> 2 * 3.14 * 2 * 9
-> 6.28 *18
-> 113.04
-20+1= -19
-19/2= -9.5
Check:
-9.5x2= -19
-19-1= -20
(0,-3) (1, -1) (2, 1) ....
Answer:
(a) 64 days
(b) 2 phones calls
Step-by-step explanation:
Greatest error is half smallest measuring unit. It's measured to 0.1 cm , half that is 0.05 cm answer D.
