What is the equation of a line with a slope of 4 and a y-intercept of -3

Suppose a triangle has two sides of length 32 and 35, and that the angle between these two sides is 120°. which equation should you solve to find the length of the third side of the triangle?

Neveah and clint are baking muffins for the bake sale. they need to bake 30 muffins for their display case. clint has baked 4 so far, and neveah has baked 7. how many muffins (m) do they have left to bake? show your work!

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?