Which expression is equivalent to 18 1/ 2/ 1/5)?
a. 18 1/5 - 22 2/5 - 40 1/5
b. 18 1/5 +(-22 2/5)+(-40 1/5)
c. – 18 1/5–22 2/5+40 1/5
d. 18 1/5 +22 2/5 +40 1/5

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Parks is wearing several rubber bracelets one third of the bracelets are tie dye 1/6 are blue and 1/3 of the remainder are camouflage if park swears to camouflage bracelets how many bracelets does he have on

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?