Answer:
yes
Step-by-step explanation:
because area of sphere equals =

so if we doubled the radius the surface area will be doubled
Answer:

Step-by-step explanation:


Volume of rectangular prism = l*w*h

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:
Answer: y = 15x + 32
Step-by-step explanation: 32 is the start up fee meaning that it's the y-intercept because even at 0 months, you have to pay $32. The $15 is the slope because that's what you pay per month... so it's the amount of months (x) multiplied by the dollar amount ($15).