The tree diagram shows the sample space of​ two-digit numbers that can be created using the digits 5​,9 ​, 1​, and 4. What is the probability of choosing a number from the sample space that contains both 9 and 4. PLEASE ANSWER WILL GIVE THE THING THAT GIVES YOU EXTRA POINTS

If square root x = -7, then x= -49 true or false

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Ms. ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms. ortiz charge per kilogram of tomatoes to make on a load of tomatoes?