Which points are separated by a distance of 4 units? A. (4,2)
(8,2)
B. (7.7)
(1,7)
C. (3,3)
(1,3)
D. (2,4)
(5,4)

PLEASE HELP ASAP

It says factor each expression 49x-28?

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?