(a) Find the term in 1/x^3 in the expansion of (3/x-2)^10

(b)
Using the information from part (a), find the term independent of x in the
expansion of (5x^3-7)(3/x-2)^10

Officer brimberry wrote 24 tickets for traffic violations last week, but only 9 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.

Which linear equations have an infinite number of solutions? check all that apply.  (x  –  3/7)  =  2/7(3/2x  –  9/14)8(x  +  2)  =  5x  –  1412.3x  –  18  =  3(–6  +  4.1x)(6x  +  10)  =  7(x  –  2)4.2x  –  3.5  =  2.1 (5x  +  8)

Which best explains why this triangle is or is not a right triangle?