Yesterday, nina's lunch cost $9.80 and she left a $1.47 tip. today, nina's lunch cost $12.60. if she tips the same rate that she did yesterday, how much tip should nina leave?

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer