Answer:
dude your teacher is on crack
option B (37)
Step-by-step explanation:
74÷2 (as it's half)= 37
XT= 37
Hope it helps!
Discriminant = 16k² - 4(2)(-5k)
Since 16k² + 40k < 0, 2k² + 5k < 0, k(2k + 5) < 0.
Therefore -5/2 < k < 0.
for 16( 21-(1+3) to the second the answer would be 80
