The budget for the Valentine’s Day Dance is $550. Lights and Decorations cost $150. The DJ charges $75 per hour plus a one-time business fee of $100. What is the maximum number of hours the school can have the DJ play at the dance?

Ihave a 69 and an 82. the 69 is worth 40% of my grade and the 82 is worth 15%. can someone tell me my current average grade.

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online