The summit of a volcano is 10 Kilometers (km) above the ocean floor as shown below. I’d the ocean has elevation if -5 kilometers which statement describes the elevation of sea level and the summit?
A the elevation of sea level is 0 km and the elevation of the summit is 5 km
B The elevation of sea level is 5 km and the elevation of the summit is 5 km
C The elevation of sea level is 0 km and the elevation of the summit is 10 km
D The elevation of sea level is 5 km and the elevation of the summit is 10 km
Please help me thank you

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

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

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)