$3.15 would be the cost, after the mark up is added.
Step-by-step explanation:
B because the straight angle must be 180°
Answer:
Step-by-step explanation:
C is the answer
To calculate slope; rise/run
Triangle ABC: run-1 rise-5 slope-5
5 rise/ 1 run (5/1)=5
Triangle DEF: run-2 rise 10 slope-5
10 rise/ 2 run (10/2)=5
B. They are equal because the two triangles are similar
