Find a b if a =(2,-8) and b =(-1,4).
A. -1
B. -3
C. sqrt 5
D. sqrt 3

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

20 points 1. your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. 2. taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer