Im so confused by this
if the measure of angle acb = 30 and the measure of angle a = 80, find the measure of angle b
a: 60
b: 110
c: 180
d: 70

Aplot of land is shaped like a quadrilateral. fences are built on the diagonal to divide the area into 4 sections. what is vi to the nearest tenth? gv = 6.55fv = 5.84vh = 3.27vi = ?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

W-16=-12 solve each one step equation plz