There are 7 restaurants in a city. In how many ways you can visit 5 days in different restaurants. (i) 2nd day you visited restaurant A (ii) 2nd day you didn't visit restaurant A

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

How many lines can be drawn through points j and k? 0 1 2 3

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).