Asolid has faces that consist of 1 pentagon, 5 congruent equilateral triangles, and 5 congruent squares. the solid has 11 vertices. how many edges does this solid have?
a. 18 edges
b. 20 edges
c. 22 edges
d. 30 edges

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

Classify each polynomial by its degree and by its number of terms.

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?