Lisa is 10 centimeters taller than her friend ian. ian is 14 centimeters taller than jim. every month, their heights increase by 2 centimeters. in 7
months the sum of ian's and jim's heights will be 170 centimeters more than lisa's height. how tall is ian now?

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .

Find the interior angle of a regular polygon which has 6 sides