A television can be purchased for $1800 cash or on hire purchase for a deposit of 20% and 18 monthly payments of $90. Find: (a) The hire purchase price, (b) The amount saved & (c) The amount saved as a percentage of the cash price. *

What is the common difference in the following arithmetic sequence 7,3,-1,-5

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

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.