The model shows the addition expression 18 + 12. A model containing 3 rows of 6 orange squares and 3 rows of 4 blue squares.
One expression that is equivalent to this sum is
srry i dont have pic

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

If 3x+8=3x+8 is it one solution or no solution

Will mark name all segments skew to bc