Answer:
10x+23 (pretty sure) and the * means multiply
Step-by-step explanation:

Answer:w40
Step-by-step explanation:
w15/w5 = w10
(w10)^4 = w40
216 ft per minute or 3.6 ft per second
515 divided by 216 is 2.38
it takes 2.38 minutes for the specified ant to crawl 515 feet
Well 106 divided by 7 is 15 so 15 times 7 is 106