Two friends, Grayson and Noah, took summer jobs. The equation y=21.9x represents Grayson's earnings in dollars and cents, y, for working x hours. Noah earned $943.80 in 33 hours. Grayson earns $___ per hour ___than Noah.

  n=   0.0000 - 0.3750 i  

  n=   0.0000 + 0.3750 i

step-by-step explanation:

one of these should be correct

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: