Which pair of expressions have a negative value? A. p^2 and r^2
B. qr and pq
C. qr and 7pr
D. pq and 7pr

PLS HELP <3

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct