Simplify the expression and write the result in standard form, a+bi. Write all numbers as integers or simplified fractions. -14 + √-125 / 10

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%

Anyone know these questions? i need ,.

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250