Answer:
R= {a,b,c}
S = {b, c, d}
T = {c, d, e},
Step-by-step explanation:
R U S U T. ={a,b,c}U{b, c, d}U{c, d, e},={a,b,c,d,e}
Answer:

Step-by-step explanation:
To find the LCM of two numbers, factorize both these numbers:

These two numbers have the common factor of 
Now multiply this common factor by the remaining factors:

Therefore, the LCM is 952.
I think it’s -156.250771950772
Answer is 2263.
Checkpoint 1 is -86
Checkpoint 4 is 2177
Subtract -86 from 2177....2177-(-86)
=2263
2263 is how much higher checkpoint 1 (-86) is from checkpoint 4 (2177)
Hope this helps! :)
Answer:
105 degrees
Step-by-step explanation:
You need to understand the properties of corresponding angles and supplementary angles.