Please help I am on a quiz Which of the following functions represents the values in the table below?
a -4 -3 -2 -1
f(a) 25 16 9 4
f(a) = 4a 2 + 5
f(a) = a^2 - 2a + 1
f(a) = a^2
f(a) = a^2 - 4a - 3

Caleb and emily are standing 100 yards from each other. caleb looks up at a 45° angle to see a hot air balloon. emily looks up at a 60° angle to see the same hot air balloon. approximately how far is the hot air balloon off the ground? a)44.2 yd. b)63.4 yd. c)73.2 yd. d)89.7 yd.