45 a jcpenny dress originally costs $69.00, but the final price is $20.70. what is the discount percentage? (example: 50% off $20.00 is $10.00)

Find the multiplicative inverse of 8-12i

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)

Find the unit rate. enter your answer as a mixed number. a fertilizer covers 2/3 square foot in 1/2 hour.