using digits 3,6,1 and 5 write the greatest decimal number less than 1 that can be formed without repeating any digit. write it in words​

Answer this question! 30 points and brainliest! only if you know the answer.

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42