Body’s older brother is only three years less than twice josh’s age. if the sum of their ages is 30, then what is the age of jody’s brother?

What is the solution of log2  (3x  -  7)  =  3? 4 5

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?