It is: 80
ft2
The sum of 8 and 5 is 13. There is then no number with which to calculate its product.
56
5/8
13
It is 3*5*8 = 120
find the sum and product of the roots of 8×2+4×+5=0
4/5 * 5/8 = 4/8 = 1/2 or 0.5
It is: 5*2*8 = 80
5 and 8-5 and -8
8+5*3 8+15 =23