C. She would have to resort to trial and errors to find a matching exponent
Answer:
Tier 1 support
Explanation:
Of the given options, tier 1 support technical group is the least experienced group. This group of technicians is also referred to as level 1 technical group.
The tier 1 or level support are made up of junior technician, and they have few technical understandings.
Their roles include email response and basic troubleshooting, attending to phone calls, among others.
When a problem cannot be solved by tier 1 support technicians, they pass the problem to tier 2 support technicians,
Answer:

Explanation:
Given

Required
The result when
and
Analyzing the given instruction
a*=(++a)/(6)+(b++3)
Single out and solve the expressions in bracket
(++a) = a -- When the ++ operator appears before an operand, it is called pre increment. meaning that the operation will be done before the operand will be incremented.
So: in this case: ++a = a

The operator, as used in that statement is the same as: b + 3.
So:





The above expression is calculated as:

So:


Portrait, as well as 100 percent scale.
Answer:
A cyber attack or hacking
Explanation: