The library in Silvergrove collected $4,130 in overdue fees last year. This year, the library collected $1,652. What is the percent of decrease in the amount collected?

What is the value of x? enter your answer in the box. x = two intersecting tangents that form an angle of x degrees and an angle of 134 degrees.

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30