Help pls to get 10 points

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?