Answer:
the answer is the 0.56 say
(3x-15)(x+1). it's the way is do it
a. 
b. 
c. 
d. 
Step-by-step explanation:
We will write the sample space of all options one by one.
<u>a. Rolling a 6 sided die</u>
As the die has six sides numbered from 1 to six then the sample space will be:

<u>b. Guessing the first initial of a student's name:</u>
As the English language has 26 alphabets, the first initial can be any alphabet so the sample space will be all letters:

<u></u>
<u>c. Tossing two coins</u>
As two coins are tossed, the outcomes will be a combination of two outcomes

<u>d. Rolling a 6 sided die and tossing a coin</u>
As the die is rolled and then a coin is tossed. The die's coin will either combine with heads or tails
So,

Hence,
a. 
b. 
c. 
d. 
Keywords: Sample Space, Probability
Learn more about sample space at:
#LearnwithBrainly
An equation you can use is
<em>16 = 3x</em>