Moes sells 10 tacos for $8.49 or Taco Bell sells 6 of the same kind of taco for $5.40. Which is a better deal? Clearly show the math that supports your answer. (labels are always helpful)

The one that sells 10 tacos for $8.49

To get the better deal, you should find the selling prices for a single tacos in both cases  and compare the amounts.

In the first one, 10 tacos for $8.49

This means 1 tacos sells for $8.49/10 = $0.849

In the second one, 6 for $5.40, this means for a single tacos, the selling price is $5.40/6 =$0.9

The better deal is the first one that sells one taco for $0.849 compared to the second one that sells one tacos for $0.9

the answer is a) y= 2 csc [0.5 (x+pi/2)]-1

step-by-step explanation: