If there are 48 tiles in each row then minus 48 - 6 white tiles = 42 purple tiles. And if there are 8 rows then 8 x 42 = 336. So Abigail needs 336 purple tiles.
hoped I helped
Answer:

Step-by-step explanation:
We require the fractions to have the same common denominator
The LCM of 4 and 3 is 12 , then
- 
=
- 
= 
<span>• (2k2 + 5k - 4) </span>
.
<span><span> -8 + 1 = -7</span><span> -4 + 2 = -2</span><span> -2 + 4 = 2</span><span> -1 + 8 = 7</span></span>
Final result :<span> 2k3 • (2k2 + 5k - 4)
</span><span>
</span>
Answer:
C) 0.880
Step-by-step explanation:
-The probability of setting his alarm is 1-0.1=0.9
-The probability of being in time is therefore calculated as:

Hence, the probability that the professor shows up in time is 0.88