If g = {(-1, , , , 6)}, then the range of g is
{(7, -, -, , 6)}
{-8, -1, 0, 6}
{0, 2, 6, 7}

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax