3.) An ice cream parlor charges for sundaes as shown below. Use the expression 1.75s + 0.45t to find the total cost of a 2-scoop sundae with 5 toppings.

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.

Find the actual dimensions of the box. the side length are in meters and integers. the surface area of the box is 104 m2 and volume of the box is 60 m3.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?