Help me with this calculation
(X-1).(1-x)

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?