Please help me with this i need help with it+ send the answers not the explnation please

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°.

Ten times the square of a non-zero number is eqaul to ninety times the number

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers