Can you please explain how to get the answer. I don't understand. I will mark you brainliest!!

Kenzie lives 30 kilometers from her cousin houde she drives 23 kilometers before stopping for gas how many meters does she need to travel

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1