A ramp leading into a building makes a 15° angle with the ground. The end of the ramp is 2.5 feet above the base of the building. Approximately, how long is the ramp?

A. 0.65 feet
B. 2.59 feet
C. 9.33 feet
D. 9.66 feet

Me because some of question i don’t understand

If f(x) = 4 - x2 and g(x) = 6x, which expression is equivalent to (g-f)(3)? 06-3-(4 + 3)2 06-3-(4-33 6(3) - 4 +32 6(3) -4 -32

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?