Answer:
60%
Step-by-step explanation:
There are 7 blue, 5 purple, 12 red, and 6 orange marbles.
There are 30 marbles in all.
There are 18 red and orange marbles. There are 18 preferred events and 30 total events.
%
There should be 60% chance that Roberto would pick either a red or orange marble.
Answer: D
Step-by-step explanation:
Answer:
(- 10, - 9 )
Step-by-step explanation:
Substitute x = - 10 into f(x)
f(- 10) = 2(- 10) + 11 = - 20 + 11 = - 9
Thus the solution is (- 10, - 9 )