Multiplying ,you get 18x^2+21x-24x-28. You simplify to get:
18x^2-3x-28.
9/56 is already in its simplest form. You CANNOT make it more reduced than this
Answer:
300 seconds = 5 minutes
Step-by-step explanation:
At first convert the time in minutes which is
5.75 * 60 = 345 seconds
No as the average is 345 seconds at starts from 45 so we subtract that time from 45 seconds
345-45 = 300 seconds (Mean)
So 300 seconds = 300/60 = 5 minutes
So the Accurate mean is 5 minutes
Answer:
No not all right angles are congruent.
Step-by-step explanation: