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What is the geometric shape mean of 22 and 15? Round to the nearest tenth.

Ineed to learn how to solve this problem

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.