2x^2 - 4 = 68
add 4 to both sides
2x^2 = 72
divide both sides by 2
x^2 = 36
find the square root of each sides
x = 6, -6
ANSWER: the positive value of x is 6
60×3=180 is the answer for your question
Minute=60 secs
Answer:
2 hours and 30 minutes to fill it up
Step-by-step explanation:
0.25 is rational because it is a terminating (means 'its stops') fraction.
Answer:
idk this stuff yet
Step-by-step explanation: