Which side of the equation needs to be simplified? -30 = 3 (7x-4) left or right

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers