Answer:
C = 1.5W
Step-by-step explanation:
Weight: W
Cost: C
C = kW
15 = k(10)
k = 1.5
C = 1.5W
Step-by-step explanation:

Hence, coordinates A(2, 1), B(7, 1), C(2, 4) form a triangle.
Answer:
D
Step-by-step explanation:
because brand a is obvioulsy higher than brand b and if you look closely to the algorithms your answer should be D
Answer:
58.66 is the radius of the circle