An electrician earns $45 per hour for doing a house call. Which expression can be used to find how much an electrician earns for any number of hours, h? A. 45h
B. h + 45
C. 45 + h
D. 45 – h

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.

How many credit hours does a student typically need to complete general educational requirements at a four year college

Can you send me the answer for q11,12,13,14,am sorry it’s science