Answer:
sum=17
Step-by-step explanation:
(a+b)*(a-b)=85
let a=11 and b=6
(11+6)*(11-6)=85
85=85
so the two whole numbers are 11 and 6
and, their sum is : 11+6= 17.
Answer:
<h2>24</h2>
Step-by-step explanation:
Given the following logarithmic expressions
, we are to find the value of 
Substituting x = a³, y = a⁷ and z = a⁻² into the log function
we will have;

Hence, the value of the logarithm expression is 24
Answer:
2
Step-by-step explanation:
Answer:
72
Step-by-step explanation:
7x 6 + 6 x 5
42 + 6 x 5
42 + 30
72