In a mix of red and white pebbles in a bag in the ratio of 3 to 7. find the probability that if 3 pebbles are chosen from the mixture at least one is white

Which expression is equivalent to 4 square root 6 divided by 3 root 2

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)