Haruto simplified the value below. csc(19pi/4)=sqrt2. Which statement explains whether Haruto is correct. A. Haruto is correct because the angle is coterminal with 3pi/4 and the reference angle is pi/4 B. Haruto is correct because the angle is coterminal with pi/4 which is also the reference angle. C. Haruto is not correct because the angle is coterminal with 3pi/4 and csc(3pi/4)=-1/sqrt2= -sqrt2/2 D. Haruto is not correct because the angle is coterminal with pi/4 and csc(pi/4)=1/sqrt2=sqrt2/2

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?