There is a unique positive real x such that the three numbers log82x, log4x, log2x in that order form a geometric progression with positive common ratio, if x=mn, where m, n relative prime positive integer, then m + n is.

Earth takes in thermal energy from the sun in a process called . sunlight strikes earth’s surface at different angles. this angle is called the angle of . btw its

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.

Which of the following is true of concerts a. concepts prevent us from generalize b. concepts independent of experiences and object. c. concepts complicate the memory process d. concepts provide clues about how to react to a particular object or experience