Simple question
please answer need asap

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

Explain how you divide powers with like bases. discuss why the bases have to be the same. how are these rules similar to the rules for multiplying powers with like bases.