1. for a 30 student speech course, in how many ways can the student be selected to give the first 5 speeches? 2. bob most choose 4 magazines out of a collection of 13 to take on vacation. in how many ways can he select the magazine?

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary