The grid shows the positions of a subway stop and your house. the subway stop is located at (6,-2) your house is located at (3,1) what is the distance, to the nearest unit, between your house and the subway stop .
a. 10
b. 9
c. 4
d. 3

Me what is the value of x? showing work would be appreciated - ! : )

What is the square root of 45? (step by step working plz)

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a. about 4 b. about 8 c. about 40 d. about 21