If the selling price is $75.50 and includes the cost plus 5% of the cost, then what is the cost

What expression is equivalent to 1/2(2+3x-6)

Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.71 with a standard deviation of $0.10. using chebyshev's theorem, what is the minimum percentage of stores that sell a gallon of milk for between $3.41 and $4.01? round your answer to one decimal place.

The triangle rst, rs = 65 and st = 60. which equation could be used to find the value of angle s?