I NEED HELP ASAP PLEASE AND THANK YOU!! Evaluate the expression V= - 6/7

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

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

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9