Y=4x-2, y=x+3 the solution to the system of equation

Consider a graph for the equation y= -3x+4. what is the y intercept? a) 4 b) -4 c) 3 d) -3

Brady has a 20 year fixed rate mortgage for $215,500 with monthly payments of 1,305.89.the annual interest rate is 4%. what is the total cost of the principal and interest for this loan rounded to the nearest dollar

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?