1 hour=60 minutes 12×5=60
9×5=45
About 45 messages per hr
Answer:

Step-by-step explanation:

Answer: 382.5 minutes
Step-by-step explanation:
7 1/8 = 7.125
7.125*60=427.5
Thus, the movie is 427.5 minutes long
427.5-45 = 382.5
Hope it helps <3
Answer:
0.05555555555
Step-by-step explanation: divide 1 by 18.
Answer is choice C) 4x^2-3x+9
You list off the terms in a way where the largest exponent term comes first, then the second largest exponent is next, and so forth. Note how the last term 9 is the same as 9x^0. The term 3x is equivalent to 3x^1. So what we really have is 4x^2-3x^1+9x^0. The exponents count down: 2, 1, 0