Y= 15x+55
Solve, please
I am new, to this kinda stuff.

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Hey am have account in but wished to create an account here you guys will me with my make new friends of uk !