Please help <3 Thanks!!

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale

What is the t intercept of the line given by the equation below y= -10x + 14