Charlie can spend up to $8 on lunch. He wants to buy a tuna sandwich, a bottle of apple juice and x pounds of potato salad. Tuna salad = $ 4.25. Potato salad = $ 4/pound. Apple juice = $ 2.25. Which equation best represent the situation of inequality.

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 system of equations graphed below has how many solutions? y = 2x + 2

What is the value of x in the following equation? -3x-2=2x+8