Answer:
a.7^2
Step-by-step explanation:
I don't know the explanation step by step
2x^3+2x^2+5x-7, That would be the answer.
Answer:
9:30 she finishes
Step-by-step explanation:
815 plus 75 is 890
there are 60 minutes in one hour
890-60 is 830
add 100 to represent another Hour
830 plus 100 is 930
9:30
therefore, it is 9:30
Answer:
38,400 bacteria
Step-by-step explanation:
Because there are 24 hours in a day, it will double 4 times
2400times 2 equals 4800 (1st)
4800 times 2 equals 9600 (2nd)
9600 times 2 equals 19200 (3rd)
19200 times 2 equals 38400 (4th)
Answer:
62390
Step-by-step explanation:
you have to round up if it's 5 or more and round down if it's less.