Answer: A = k =250
B= y,x=0.5
Step-by-step explanation: Find the constant of variation.
12 cm, use the pythagorean theorem: a^2+b^2=c^2
9^2+b^2=15^2
81+b^2=225
b^2=144
b=12
12 cm
Answer:
B
Step-by-step explanation:
It's adding 7 every time.
So, it's an arithmetic sequence.
