Which number makes the equation true? blank divided by thirty equals one-sixth

A. 5
B. 6
C. 15
D. 60

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain