Please help me this is also going to be part of my grade and I don't know how to answer it, plus I need to show step by step how to solve this so if you want brainiest you will need to show step by step how you got your answer

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°.

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

Layla answer 21 of the 25 questions on his history test correctly.what decimal represents the fraction of problem he answer incorrectly.