It is 3.10 and your welcome
The solution to the expressions given are;
9 -9t/ 12 - 5t
a. 20/ 169
b. -170/ 169
c. 386/ 169
d. -10/ 169
<h3>How to solve the expressions</h3>
Given:

We can see that both variables in the numerator and denominator have no common factor, thus cannot be factorized further
a. 
First, let's find the lowest common multiple
LCM = 169
= 
= 
= 20/ 169
b. 
The lowest common multiple is 119
= 
substract the numerator
= - 170/ 119
c. 
The lowest common multiple is 169
= 
= 386/ 169
d. 
The lowest common multiple is 169
= 
= - 10/ 169
Thus, we have the solutions to be 9 -9t/ 12 - 5t, 20/ 169, -170/ 169, 386/ 169, -10/ 169 respectively.
Learn more about LCM here:
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Sin 27 degrees over 1= X over .8
Sin 27/1= X/8
Multiply sin(27) times .8
It equals. .36 or .4 if you have to round it to the nearest tenth
Answer:
y=1/3x + 2
Step-by-step explanation:
To write the equation of the line use y=mx+b where m is the slope and b is the y-intercept. Find the slope of the line, count the units between them vertically and then horizontally.
The point on the left is (-3, 1). Count up 2 units to 3. Then count from -3 over to the right 6 units to 3. The second point is (3,3). Thus the slope is 2/6 which simplifies to 1/3.
To find the y-intercept, find where the line crosses the y-axis which is (0,2) so b =2.
Now write in y=mx +b as y=1/3 x +2
3 piles of 9 pictures is 27. Because 9*3=27. So, your answer should say "Alise had 27 pictures in all because 9*3=27"