Answer:
A and C are proportional relationships.
Step-by-step explanation:
Recall that a "proportional relationship" has no constant term. Thus, we eliminate Answers B and D immediately.
Answer A represents a proportional relationship: y varies directly with the square of x.
Answer C also represents a proportional relationship: y varies directly with x.
Sin+cos=90
49+cos=90
cos=41
Answer:
B. 350 minutes
Step-by-step explanation:
Answer:
4
Step-by-step explanation: