Answer:
7
Step-by-step explanation:
twice for joey's age so joeys age is 2 double that it will be 4 so 3+4=7
Answer:

Step-by-step explanation:

Collect like terms
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Calculate
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Hope I helped!
Best regards! :D
Answer:
B
Step-by-step explanation:
Answer:
18.446
Step-by-step explanation:
My best choice is A. -76. I might be wrong! Best of luck. :-)