SAT数学题,求翻译和讲解A rectangular floor 18 feet by 10 feet is to be completely covered with carpeting that costs x dollars per square yard. In terms of x, how many dollars will the carpeting cost? (1 yard=3 feet)A 20x B 28x C 60

SAT数学题,求翻译和讲解A rectangular floor 18 feet by 10 feet is to be completely covered with carpeting that costs x dollars per square yard. In terms of x, how many dollars will the carpeting cost? (1 yard=3 feet)A 20x B 28x C 60 sat填空题,求讲解 SAT数学题求讲解There is a curve y = x^3 + e^x,then how many is the y-intercept of the curve?A 0 B 1+e C e D 1 E -1求讲解 一页数学题,求讲解. 一道SAT语法求讲解.为何是B,句子怎么理解翻译 sat数学题一道求高手 求问一道SAT数学题 sat数学题一道,正答是A. 求一道数学题,要答案和讲解,拜托了!“五个连续奇数的和是a,其中最大的一个是（ ）.” 要答案和讲解哟! 有4道数学题不会做,求讲解和答案 一道数学题求过程讲解 初一数学题 求大神讲解 数学题,求讲解,要有过程 最后一道数学题求讲解 小石潭记翻译和讲解 SAT 数学题 求简单方法这道题选C sat数学题 求翻译和讲解.You should make your views known.