How many ways can three items be selected from a group of six items?
use the letters a, b, c, d, e, and f to identify the items, and list each of the different combinations of three items. (enter your answers as a comma-separated list. enter three unspaced capital letters for each combination.)

these sign is used to tell weather the number is greater or less than the number   <   or >     but this sign means its equal =    

hope this you and

step-by-step explanation:

98%

step-by-step explanation:

answer: it actually depends on which is the independent variable and which is the dependent variable. let us say we're looking at a linear equation. y=2x+3. we theoretically could switch the equation to be x=(y-3)/2 and it would be the same line. so either a causes b or it can be that b causes a. so technically the answer is false

step-by-step explanation: