Can someone help me with these C++ questions

Starting Out with C++ : From 7.1 Define the following arrays: Control Structures through A. empnums, a 100-element array of ints Objects B. payRates, a 25-element array of f loat s Tony Gaddis C. miles, a 14-element array of longs D. cityName, a 26-element array of string objects Expand | Collapse E. lightyears, a 1,000-element array of doubles 7.2 What's wrong with the following array definitions? 7.1 Arrays Hold Multiple Values 7.2 Accessing Array Elements int readings [1]; float measurements [4.5]; int size; string names [size]; 7.4 The Range-Based for Loop 7.3 What would the valid subscript values be in a 4-element array of doubles? 7.6 Focus on Software Engineering: Using Parallel Arrays 7.4 What is the difference between an array's size declarator and a subscript