Answer:
Alphabet and digits
Explanation:
A digit cannot be placed at the start of a variable name, but it can be used after the first character has been placed
Answer: B
Explanation:
Conventions include spelling, punctuation, capitalization, grammar, and sentence structure.
C. database administrators are responsible for organizing a company's data making sure all the data is accurate' available' and secure
**Formula
If u want to calculate voltage:
Current x Resistance
so the answer is D
Current:
Voltage ÷ Resistance
Resistance:
Voltage ÷ Current