Donna, Hans, and John served a total of 100 orders Monday at the school cafeteria. Hans served 3 times as many orders as John. Donna served 5 more orders than John. How many orders did they each serve?

H(x)=4x2-5x h(-3) what is the answer?

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) = .

Need asap. solve for the following inequality