Rewrite the expression with parentheses to equal the given value of 9+5÷5+2 with the value of 2

Hazel and emilie fly from city a to city b. the flight from a to b is against the wind and takes 2 hours. the return flight with the wind is 1.5 hr. if the wind is 30 mph, find the speed of the plane in still air

How many grams must be adde to 970g to make 1 and a half kg

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?