Two pyramids like the one below sit on top of the gates at the entrance to the bridge.

Which expression shows how to determine the minimum amount of cement used to make each of the pyramids?

1.1/3(10)(10)(12)

2.1/2(10)(10)(12)

3.4[1/2(10)(13)]+10(10)

4.4[1/3(10)(13)]+10(10)

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

5(-9w) put expression in distributive property

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?