Two quantities, a and b, have a proportional relationship, where a is -4 when b is -3. Create an equation to represent this relationship. (1pts.)
The relationship between the number of Cyps of water, w, and the number of cups of
lemon juice, j, used in a recipe is described by the equation shown.
j = 2w
How many cups of water are needed for each cup of lemon juice? Show your work. (2pts)

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

The triangles are similar. what is the value of x? show your work.

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?