The mass of a grain of sand is about 10^-3 gram. About how many grains of sand are in 1,000 kilograms of sand?

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Find the quotient. 50a2 – 98b2 -5a +7b

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.