An electrician charges a flat fee plush an hourly rate for a service call. she charges a total of $94 for an 3-hour service call on Monday and $130 for a 5-hour service call on Tuesday. How much should she change for a 2-hour service call?

$450

step-by-step explanation:

first, you have to multiply 150x2=300

next, you have to add 150+300= 450

i got 142 as my answer

step-by-step explanation:

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.

no one knows lol

step-by-step explanation: