3^2x-5 = 81

please answer

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?