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1. twice a number increased by 12 is equal to 3 times the number minus 31. find the number.
2. twelve decreased by twice a number is -7. what is the number?
3. three consecutive intergers have a sum of -33. what are the intergers?
4. the sum of 4 times a number and 14 is 16. what is the number?
5. the sum of 3 times a number and 17 is 5. what is the number?

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?

Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1