Consider, please, this option:
if a1=1 and r=3, then using a formula aₓ=a₁*rˣ:
1. a1=1;
2. a2=3;
3. a3=9;
4. a4=27;
5. a5=81
Answer:
a
Step-by-step explanation:
Answer:
C. Chad is incorrect because intersecting lines are sometimes perpendicular.
Step-by-step explanation:
SOMETIMES perpendicular (90 degree angle, aka right angle) not always.