What is the focus POINT of the equation in the picture? BRAINLIEST to correct answer!

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

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

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?