Use FOIL
28x² -8xy +7xy -2y²
28x² -xy -2y²
564/24 equals to 47/2 or 23.5
Answer:
see below
Step-by-step explanation:
3y = -9
Divide each side by 3
3y/3 = -9/3
y = -3
Answer:
B
Step-by-step explanation:
if she practiced for 4 hours, we can go to the 4-hour mark and go upward until we see the dot. the dot lands on 3 hits every 4 hours so we can safely assume its B
337.5 divide 450 by 4 and multiply the product by 3