4. Figure out each amount using a tax rate of 13%.

a) The post-tax price for an item that costs $79.99

b) The pre-tax price for an item that costs $65.54 after tax

Dropping less than two inches per mile after emerging from the mountains, a river drains into the ocean. one day's discharge at its mouth, 5.6 trillion gallons, could supply all of country a's households for seven months. based on this statement, determine how much water an average household uses each month. assume that there are 100 million households in country a. country a uses approximately nothing gallons per household per month.

Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.

What are the solutions to the equation 4x2+3x=24-x