Every year a classroom of students holds a car wash to raise money to fund a good cause in their community. this year the class wants to purchase electric blankets for their local senior citizens center. each blanket costs 52 dollars. their teacher says every year the class raises between 2,000 and 2,500 dollars. using that estimate, what inequality below best represents how many blankets (b) the class can expect to buy for the center?

a) b> 2000

b) 2000
c) b< 2500

d) 38< =b< =48

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

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?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.