The cost, y, for x pounds of nails can be represented by the equation y=3.20x. What is the constant of proportionality of the equation?

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42