Shayna left the mall and drove toward the desert at an average speed of 20 mph.
Arjun left at the same time and drove in
the opposite direction with an average
speed of 50 mph. Find the number of
hours Arjun needs to drive before they are
140 mi. apart.

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500