What is 801,000,000 written in scientific notation? 80.1×107 8.01×107 8.01×108 8.01×109

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

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°.

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?