１.Carol subscribed to four publications that cost $12.90,$16.00,$18.00,and$21.90 per year,respectively.If she made an initial down payment of one half of the total amount,and paid the rest in 4 equal monthly payments, how much was each of the 4monthly payments?A. $ 8.60B $ 9.20C $ 9.45D $ 17.20E $ 34.40 2.If 8 and 12 each divide K without a remainder,what is the value of K ?A. 16B. 24C. 48D. 96E. If cannot be determined from the information given.3.If the product of(1+2),(2+3),and(3+4) is equal to one half the sum of 20 and x,what is the value of x ?A. 10B. 85C. 105D. 190E. 1,210
热心网友
晕，这是什么动西？
热心网友
A,E,X第三个不明白