Someone help l don’t understand

What is the measure of ac? 5 units 13 units 26 units 39 units

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?