Question 11 of 50 Which of the following statements is true about rays?
A. They are three-dimensional objects
B. They are zero-dimensional objects
C. They are one-dimensional objects
D. They are two-dimensional objects

Ineed me i stuck and i don’t want to get it wrong

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.