1st one
It all adds up and the first one would be the most educated answer
Mark brainliest please
the answer to your question is C
Answer:
31.5 hours studying English
Step-by-step explanation:
2 math hours = 3 english hours
21 math hours = ? english hours
21/2 = 10.5
10.5 * 3 = 31.5
Im sorry i don’t know this but you should try photomath, it might help!
14t^3*6t
= (14*6)*(t^3*t)
= (2*7*2*3)*(t*t*t*t)
= 2*2*3*7*t*t*t*t