problems = [];
translations = [];
equationArray = [];
falseEquationArray1 = [];
falseEquationArray2 = [];
randomAnswerRangeArray = [];
randomAnswerRangeArray2 = [];
function initializeArrays(){}
function revealEnglish(problemNumber,wordNumArray1,wordNumArray2,level){}
function displayProblem(problemNumber2){}
function displayInputBox(problemNumber3){}
function displayMultipleChoice(problemNumber4){}
function checkInputAnswer(problemNumber5){}
function checkMultipleChoiceAnswer(problemNumber6){}
function randomizeProblem(problemNumber7){}
function randomizeAnswerOrder(){}
function giveCheckCode(){}
function showScore(){}