The cost of an iphone increases 10% each year. a) What is the multiplier? (1.1)
b) If an iphone costs $600 now, write the function to niodel this situation.
c) What will it cost in three years?
d) What did it cost two years ago?

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

W-16=-12 solve each one step equation plz

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?