Answer:
B. isolate the 
by using inverse operations.
Step-by-step explanation:
Hope this helps! Brainliest would be much appreciated! Have a great day! :)
Answer:
2
Step-by-step explanation:
3x+15=21 (the opposite side of parallelogram is equal)
3x=21-15
3x=6
x=6/3
so x=2
AD=2
If q is the independent variable we need to solve for s.
3s-9=6q add 9 to both sides
3s=6q+9 divide both sides by 3
s=2q+3
128.309728
add all numbers together and divide by 50(there are 50 numbers)
find the difference of each number and 67.92(the mean)
add all these numbers together and divide by 50
Idk but I think it is 3 so hope it is right so please accept
