How do you put this in a calculator to get the answer?? I got finals in a few days!!

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°.

Consider the function f(x)=-5x+3 what is f(-2)

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?