Answer: the average of 3 and 15 is 9
Step-by-step explanation:
multiply all terms in the second equation by 2 to get the coefficient on the y variable to be -6.

Answer:
D 3m - 8
Step-by-step explanation:
Answer:
n math, value is a number signifying the result of a calculation or function. So, in the example above, you could tell your teacher that the value of 5 x 6 is 30 or the value of x + y if x = 6 and y = 3 is 9. Value can also refer to a variable or constant. ... A variable is a letter used to signify an unknown number.
6.75
-2.25
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4.50
-2.25
----------
2.25
-2.25
----------
0.00
you could bowl 3 times (it starts off at 6.75 because I took away the cost of the shoes)