Plumber A charges $25 for a house call and $50 for each hour spent on the job. Plumber B charges $35 for a house call and $45 for each hour spent on the job. If your job will take 4 hours to complete, which plumber should you use? How much will it cost you?

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

Which equation can be solved to find one of the missing side lengths in the triangle? cos(60o) = cos(60o) = cos(60o) = cos(60o) = mark this and return