Answer:
About 24 months
Step-by-step explanation:
1000-20= 980
980/40= 24.5
Answer:
12
Step-by-step explanation:
Yeah its D i just checked
Answer:
3) 
4) a) 
b) 
Step-by-step explanation:
<u>Exercise 3</u>



<u>Exercise 4</u>
a) If L2 is parallel to L1, it has the same slope (gradient) ⇒ 
If L2 passes through point (3, 1):



So L2 = L1
b) If L3 is perpendicular to L1, then the slope of L3 is the negative reciprocals of the slope of L1 ⇒ 
If L3 passes through point (-5, 2):



1/4 is 0.25 as a fraction