Answer:
b
Step-by-step explanation:
8x2 + 34; 45.52 centimeters
$345
Take $442 and subtract it to $29 and $68 to get $345.
the answer is x=-1 and y=9. Hope this helps!
PLEASE GIVE BRAINLEST
A: wavelength
B: amplitude
3
absolute values can never be negative.