Answer:
(a) discriminant is positive, 76
(b) the above tells you there are two real roots
Step-by-step explanation:
the discriminant is 'b² - 4ac'
3x² - 2x - 6 = 0 ∴ a = 3, b = -2, c = -6
(-2)² - 4(3)(-6) = 4 + 72
Answer: There are 27 minivans out of the vehicles in the parking lot.
Step-by-step explanation:
Since we have given that
Number of vehicles in a parking lot = 45
Part of the vehicles are minivans is given by

Number of vehicles in the parking lot are minivans is given by

Hence, there are 27 minivans out of the vehicles in the parking lot.
$75.14. formula as follows ($79.99 - (($79.99/100)x12)) + ((($79.99/100)x12)/100)*6.75)