Answer:
x = 55
Step-by-step explanation:

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Answer:
<D is correct its confusing on the solving but
Step-by-step explanation:
A lot of ways medals can be awarded
Answer: 3.5 integers can be in decimals too. and any number counts as an integer except for 0
Answer:
690
Step-by-step explanation:
Put 30 where m is in the expression and do the arithmetic. Or, simpify the expression first, then do the same.
14·30 +30 +17·30 -9·30 = 420 +30 +510 -270 = 690
Simplifying first, you have ...
14m +m +17m -9m = m(14 +1 +17 -9) = 23m
23·30 = 690