Can someone PLEAS help me? I'm really stuck on this problem in math. Evaluate 8 ÷ -2 · 4 to the power of 2 + 9. A. -23 B. -55 C. 73 D. -100

Me answer number 3plz explain how you do it

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?