12-9=3
3+12+4,5=19,5
19 hours and 30 min
Answer:
C & D
Step-by-step explanation:
x² + 3x - 3 = 0
a = co efficient of x² = 1
b= co efficient of x = 3
c = constant = -3
roots = (-b ±
)/2a
= (-3±
)/2*1
= (-3±
)/2
= (-3±√21)/2

Answer:
43.8 is the Area but i don't know about the perimeter
Step-by-step explanation:
0.5% is the answer hope this helps
Answer: the answer is 100000000
Step-by-step explanation: that is that because 10 to the 4th power is 10000 times 10000 is 100000000