Which of the following is equal to 186 ÷ 6?
a.
(180 ÷ 6) - (6 ÷ 6)
b.
(180 + 6) ÷ (6 + 6)
c.
(180 ÷ 6) + (180 ÷ 6)
d.
(180 ÷ 6) + (6 ÷ 6)

What is r i 4.5+10r=-6.5 with work pls

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.

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.