How many three digit locker combinations are possible if the last number must be an even number?

for the 1st 2 you have a variety of 10 numbers; 1,2,3,4,5,6,7,8,9,0

and its 2 so 20+?

there are only 4 even numbers possible;2,4,6,8

so 20+4=24 combinations

the answer is 45 i just did it on oddesy ware

the transverse axis of a hyperbola is the line that contains the two vertices and the two focuses.

in this example (hyperbola of equation x^2/2 - y^2/4 = 1), the transverse axis is the  x-axis  . 

step-by-step explanation: