Which statement is true of the right triangles ABC and
DEF?
Area of ABC is greater than area of DEF
Area of ABC is less than area of DEF.
O Area of ABC is equal to the area of DEF.
There is not enough information to compare the
areas of triangles ABC and DEF!
-10
-8
-6
-4
Done

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .