Find the value of y, given value of x. a. y= 2 + 4.3x when x = -6

b. y= (x – 3)2 when x = 9

c. y=x – 2 when x = 3.5

d. y = 5x – 4 when x = -2

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

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

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?