Answer:
7a + 2b
Step-by-step explanation:
Given
4a + 3b + 3a - b ← collect like terms
4a + 3a + 3b - b
= 7a + 2b
3/7≈0.429
I hope it will help you
A suitable statistics calculator gives the probability that 6 or more show up as being about ...
0.2539