Answer:
y = -3(x+2)^2 - 6
Step-by-step explanation:
y = a(x+2)^2 -6
-18 = a(-2)^2 - 6
-12 = 4a
a = -3
y = -3(x+2)^2 - 6
C = number of parents
c+9 = number of children
2c+9=25
2c=16
c=8
8 parents, 17 children
Answer:
a
Step-by-step explanation:
Answer: Angles RLN and MLK would be vertical angles.
Step-by-step explanation:
Answer:
Now that his car is 5 years old, he would like to know whether the variability of gas mileage has changed. He recorded the gas mileage from his last eight fill-ups; these are listed here. Conduct a test at a 10% significance level to infer whether the variability has changed.
Step-by-step explanation: