If x4 + 1/x4 = 4 find the value of x2+1/x2​

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

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

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function