ZIP codes in a country consist of three numbers and two letters in alternating format-for example, 3G2 H8. a. How many possible ZIP codes are there if zero and the letter O cannot be used?
b. How many possible ZIP codes are there if zero and the letter O cannot be used and the first digit is 7 and the first letter is C?

Which zero pair could be added to the function f(x) = x2 + 12x + 6 so that the function can be written in vertex form? o 3, -3o 6,629,-936, 36

Angle that produces maximum distance

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!