21 and 18 (a) Find the greatest common divisor
(GCD).
(b) Find the least common multiple
(LCM).

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

The table above shows approximate conversions from gallons to liters. what is the value of x?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?