Jan's age is 3 years less than twice tritt's age. the sum of their ages is 30. find their ages

Find the multiplicative inverse of 8-12i

Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?