Answer:
7.5
*
10
^-
4
Step-by-step explanation:
Step-by-step explanation:
Total marbles = 10
No of white marbles = 4
No of blue marbles = 6
Probability of 2 white marbles = 4/ 10 = 2/5
1679/7
=239.85...
Rounds to 240
So average rate is 240
Answer:
Step-by-step explanation:
(2t+1)(t-4)
= 2t^2 - 8t + t - 4
= 27^2 - 7t - 4