Finding the axis of symmetry of its graph y=3x^2-18x+1​

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points

Charlie tosses five coins.what is the probability that all five coins will land tails up.