Look at the drawing below. (2x +10)
46

Which equation can be used to determine the value of x?
2x + 10 = 46
2x + 10 + 46 = 180
2x + 10 + 46 = 90
Not Here

Correct answer gets 15 points.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

What is the value of x? assume that the line is tangent to the circle.

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?