Please Help :( I've been trying this math rpoblem and I keep messing up..not getting an answer on the screen

Thank you to anyone who answers :)​

Write the sentence as an equation. b increased by 281 is d

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?