Answer:
a function of the coefficients of a polynomial equation whose value gives information about the roots of the polynomial.
Answer:
68 mph
Step-by-step explanation:
80 m/hr * 2 hr = 160 miles
60 m/hr * 3 hr = 180 miles
total miles / total time = average speed
340 miles / 5 hr = 68 m p h
The mistake is line 4, she should have divided 42 by 5, not add 5 and 16
Answer:=15x^2+250x
Step-by-step explanation: