The bulk food section of a grocery store has two bins with different types of mixed nuts. the first bin contains walnuts, peanuts, and pistachios. the second bin contains pecans, almonds, brazil nuts, and walnuts. which set represents all types of nuts in both bins?

a) {walnuts, peanuts, pistachios, pecans, almonds}

b) {walnuts, peanuts, pistachios, pecans, almonds, brazil nuts}

c) {walnuts}

d) {peanuts, pistachios}

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct

I’m still confused on how to work the percentages

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount