Solve by using the quadratic formula x^2-14x+49=0

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x. (30 points pls )

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

Mikes car gets an average of 28 mpg. there are 12 gallons of fuel in mikes car when he starts his trip of 140 miles. about how many gallons are left at the end of his trip?