A plumber charges $25 per hour on weekdays and $40 perhour on weekends. During one October the plumber billed a total of 190 hours, worth a total of $5275. Let x represent the number of weekend hours worded, and write algebraic expressions for each of parts 1-4 1. The amount of money for the weekend hours
2. The number of weekday hours worked
3. The amount of money for the weekday hours
4. How many weekend hours did the plumber work in October

Convert 2000 swiss francs to dutch guilders

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)