A person is in the old Cape Henry Lighthouse in VA
Beach. It is 90 feet tall. The
person sees a cruise ship
18480 feet (3.5 miles) out
from the base of the
lighthouse. What is the
angle of depression?

2a+7+4ahow many terms? how many variables? any like terms? yes noif yes, which ones? what are the coefficients? any constants? yes noif yes, which ones? simplify the expression by combining like terms and constants: how many terms now?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Ineed in figuring out this problem.