What is the greatest common factor (GCF) of 45 and 63?

Which of the following equations is equivalent to x/3-6/x=1

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.