Is this set closed or not closed under the operation? Negative integers under multiplication

Natalia paid $38.95 for three medium sized pizzas and a salad. Solve an equation to find the cost of one pizza, p, if Natalia paid $11.98 for the salad

Clydesdale horse weighs as much a shetland pony and an american saddledred combined

The formula for the area of a rhombus is A = ∙ d1 ∙ d2, where A = area, d1 = diagonal 1, and d2 = diagonal 2. For a rhombus with an area of 36 square meters, the product of its diagonals is?.

F (x) is a function. True false

June needs 45 gallons of punch for a party and has 2 different coolers to carry it in. The bigger cooler is 5 times as large as the smaller cooler. How many gallons can each cooler hold?

1 litre is approximately 1.75 pints, 1 gallon = 8 pints, calculate the approximate number of gallons that are equal to 48000cm3

one day the temperature in Rome Italy it was 30°C ... the temperature in Dallas, Texas was 83°F. which temperature was higher

If Rodney bikes 190 miles every 4 days how many miles would he bike in 6 days

Determine whether the following question is a statistical question. If it is a statistical question, identify the units for the answer. An antique collector wants to know the age of a particular chair in a shop.

Genius society requires an IQ that is in the top 2% of the population in order to join. If an IQ test has a mean of 100 and a standard deviation of 15, what is the minimum qualifying score to join the genius society?