It is 1 because with range it invokes the same number how ever many times
Answer:
<h2>x = 3</h2>
Step-by-step explanation:

7.1 and 7.5 because any integer is a rational number
Answer:
c
Step-by-step explanation:
Step-by-step explanation:
a) gradient= y2-y1/x2-x1
gradient of AB:
gradient=-4-1/2-3
=-5/-1
=5
gradient of BC:
=-5+4/7-2
=-1/5
b) as the priduct of both gradient is -1 ,both lines are perpendicular.
c) as we have seen lines are perpendicular so it is a right angled triangle.