W/6 + 5/8 = - 1 3/8 Solve the equation

In 4 weeks, Mark earns an average of $400 per week. If, after working another 2 weeks at a constant salary, his average earnings per week are $500, how much did he earn in the last 3 weeks

Use the change of base formula to approximate the solution to log0.515 = 1 - 2x. Round to the nearest hundredth. X=?

What is the approximate solution to the system y=0.5x+3.5 and y=-2/3x+1/3

Stan guessed on all 10 questions of a multiple-choice quiz. Each question has 4 answer choices. What is the probability that he got at least 2 questions correct? Round the answer to the nearest thousandth.

In 2011, a train carried 8% more passengers than in 2010. In 2012, it carried 8% more passengers than in 2011. Find the percentage increase in the number of train passengers from 2010 to 2012

2.85 as a mixed number in simplest form

What is - 2b - 6 + 3b - 2 simplified?

An envelope from the post office is 3 inches wide with a total area of 30 square inches. what is the height of the envelope

Cone A has a radius of 12 inches and cone b has a radius of 30 inches. if the cones are similar and the volume of cone a is 48 ft3, then find the volume of cone b

Determine is possible or impossible a triangle with the angles 88 77 and 8