A group consists of five men and five women. Four people are selected to attend a conference, a. In how many ways can four people be selected from this group of ten?
b. In how many ways can four women be selected from the five women?
c. Find the probability that the selected group will consist of all women.
a. The number of ways to select four people from the group of ten is
b. The number of ways to select four women from the group of five women is 0.
c. The probability is
(Type an integer or a simplified fraction.)

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?

Math each whole number with a rational,exponential expression

Write the equations in logarithmic form 7^3=343