Valentina has a 30% chance of randomly drawing a blue marble from a bag. if she does the random drawing 50 times, how many times can she expect to get a blue marblea-30b-5c-35d-15

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

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2