Find the sum or difference of this polynomial. (3x^3+10x+-4x+6)

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°.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?