Write 90cm as a fraction of 1.5m. Give your answer in its simplest form.

Write the expression as a single natural logarithm. 2 in a - 4 in y

Write a function rule for  “the output is  5 less than the input.” let  xx  be the input and let  yy  be the output.

Astudent is solving a system of equations by substitution and comes up with the solution 3 = 3. assuming that he solved the problem correctly, which of the following can be said about this system of equations?