Ok this may be hard but I found this on my test ;--; 6*8*9*4*3/6/8/93-9-6*4*99-0=

and now im freaking out cause im not good in math so can someone help...I only have 20 minutes left ;--;

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Can any one me with the answers to these questions asap?

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)