Last year a school raised $19,950 by selling $15 tickets to a carnival fundraiser. this year the school will charge $20 per ticket. if the school sells the same number of tickets as it did last year, how much money will be raised?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

The function p(x) = –2(x – 9)2 + 100 is used to determine the profit on t-shirts sold for x dollars. what would the profit from sales be if the price of the t-shirts were $15 apiece?