1.3.4b - What is the area of the composite polygon below? Be sure to include proper units.
20 ft
12 ft
7 ft
8 ft
8 ft
34 ft

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.

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

Could someone me with this question i’ve been stuck on it for 20 minutes