APQR is an isosceles triangle with vertex angle at Q and base angles at P and R.
PQ = 2x + 10, QR = 7x - 15, and PR = 4x + 16.
Solve for x

In the triangle abc< angle c is a right angle. find the value of the trig function indicated. find tan a if a =12, b=5 a. 13/12 b. 12/13 c. 5/12 d.12/5

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.