Which situation could be modeled by the expression 13÷5 ? a. one-third pound of sugar is used for 5 cupcakes. how much sugar is used for each cupcake? b. three cups of sugar are used for 5 cupcakes. how much sugar was used for each cupcake? c. one-third cup of sugar is used for each of 5 cupcakes. what is the total amount of sugar used? d. each of 5 cupcakes used 13 pound of sugar. what is the total amount of sugar used?

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

How do you write y-10=2 (x-8) in standard form

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=