If m∠FBC = (10x – 9)°, m∠CBE = (4x + 15) °, find the value of x.

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?