The sum of two numbers is 78. one of the numbers is 4 more than the other number, what are the two numbers?

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?