You want to know whether the students in your school enjoy the school lunch. You survey every student in your class. Is this survey biased or unbiased?

What does h hours mean

Do the math. she originally had 50 dollars on her gift card and she had 12 dollars left on her gift card after she finished her shopping spree. if you subtract 50 minus 12 you get thirty eight dollars as your answer. so therefore, ciara spent 38 dollars total o