Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary od $750 per week. how much did she earn last week if she sold 4,500 in electronics merchandise? round to the nearest cent.

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.