Answer:
B. 4,1
Step-by-step explanation:
AnswerR
13
Step-by-step explanation:
17. 2x<16 x=7 or lower
All I can help you with is #17,
sorry that I can't answer the other 3.
I hope this helped! :-)
Answer:
27 years
Step-by-step explanation:
21 × 2 = 42
42 - 15 = 27