Joshua found out that there is a$25 nonrefundable equipment fee in addition to the hourly rates. how does this requirement change the mathematics of the situation?

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.