Find angle HIJ if angle HIQ=25x+1 , angle QIJ=100, and HIJ=127x-1

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!

Classify the following triangle check all that apply

Hurry im being timed the graph of f(x)=x^3-3x^2+4 is shown based on the graph how many distinct real numbers solutions does the equation x^3-3x^2+4=0 have