Can someone please answer both? Tysm

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

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°.

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?