Pls help. it will mean a lot. the graph shows two lines, A and B.

part A: how many solutions does the pair of equations for lines A and B have? Explain your answer.

part B: What is the solution to the equations of lines A and B? Explain your answer.

Which of the following is true for the relation f(x)=2x^2+1

The radius of a sphere is 3 inches. which represents the volume of the sphere?

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.