Two-fifths of a number is -6, what is the number? pls help solve with explanation i promis brainiest​

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Find the sixth term of the following geometric sequence.