The number 77 is decreased to 16. What is the percentage by which the number was decreased, to the nearest tenth of a
percent?

Cody worked 42.5 hours per week in july. this is 12.25 hours more per week than he worked in june.how many hours did cody work per week in june?

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.