Which of the above beak depth vs time graphs represent the change in finch beak depth that would occur during a sustained drought? a. Graph 1 b. Graph 2 c. Graph 3 d. Graph 4

The equation 24x2+25x−47ax−2=−8x−3−53ax−2 is true for all values of x≠2a, where a is a constant.what is the value of a? a) -16b) -3c) 3d) 16

How are brightness and size related when it comes to stars

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.