Avery has a total of $12.50 in her piggy bank at home. each week she takes out $1.25 to ride the city bus. write an equation representing the balance, c, in the piggy bank, where w is the number of weeks.

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

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?

If a line is defined by the equation y = 5x + 2, what is the slope?