How do you do
(x+y)(x-5y)+3(x+y)^2

Emergency, please help with full steps

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

As a salesperson you get $50/day and $3.60/each sales you make. if you want to make $60 in one day, how many sales would you need need to make ? a 3b 4c 5d 6 show work.