COINS You lose one quarter, two dimes, and two nickels. a. Write the amount as a decimal.
0.55

b. Write the amount as a fraction in simplest form

could I have some help please

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

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.

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?