12 -12
mzbocu
aa
find the length of each segment. hint: you
will need to solve for x and then substitute
the value of x into the expression to solve.
given: dc = 6x, and da = 4x + 18
eb = 4y - 12, and ed = y + 17
12. find x. then find ad, dc and ac.
13. find y. then find ed, db and eb.

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

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?

Consider the polynomials given below. p(x) = x4 + 3x3 + 2x2 – x + 2 q(x) = (x3 + 2x2 + 3)(x2 – 2) determine the operation that results in the simplified expression below. 35 + x4 – 573 - 3x2 + x - 8 a. p+q b. pq c. q-p d. p-q