Answer:21 cm
Step-by-step explanation: The circle's circumference is 84 cm. 84 / 4 = 21. Therefore the length of the arc XY is 21 cm.
Answer: perpendicular
Step-by-step explanation:
Lines with opposite and negated slopes are perpendicular, you can use desmos to graph and check
Answer:B
Step-by-step explanation: It’s a decay function
Since the median of 77.5 for class A is less than the median of 90 for class B, we can conclude that Class B is better prepared for the quiz than Class A.
Answer:
slope is 5 y intercept is -6
Step-by-step explanation:
