Which system of linear equations has no solution? -5x + 2y = -8 - \frac{5 }{2} x + y = -4 -5x + 2y = -8 5x + 2y = 8 -5x + 2y = -8 25x - 10y = 40 -5x + 2y = -8 -5x + 2y = 8

Find |−5|. a. −5 b. 5 c. one-fifth d. –one-fifth !

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

Abook store is having a 30 perscent off sale. diary of the wimpy kid books are now 6.30 dollars each what was the original price of the books