Gretchen just got a new credit card that offers an introductory apr of 4.8% for the first 4 months and a standard apr of 15.6% thereafter. if interest is compounded monthly, what is the periodic interest rate during the first 4 months?

The lee family bought their home for $220,000 this year. the equation =220,000(1.038) v = 220 , 000 ( 1 . 038 ) x can be used to find the value, v, of their home after x years. which will be the value of the lee family's home in 5 years?

The sum of two numbers is 86, and their difference is 20. find the two numbers

Arectangular courtyard is 12 feet long and 8 feet wide. a tile is 2 feet long and 2 feet wide. how many tiles are needed to cover the courtyard?