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What is the boundary between cold and warm air masses

What is the probability that a red or green marble will be selected from a bag containing 9 red marbles, 7 green marbles, and 11 yellow marbles if one is selected randomly?

Factorise this expression as fully as possible 14t^3 x 6t

A circular roller derby ring has a diameter of 95 feet. If a roller derby player skates five laps around the rink, how far has she traveled?

Which is greater, F (-2) or G (-2)

Five siblings have a combined age of 195 years the oldest is 13 years older than the youngest mark the middle child and it's five years younger than Josie the other two siblings are six years apart if the second oldest child is 42 what are the ages

Give an example of two fractions whose sum can be simplified to 1/2

What is the result when the number 24 is decreased by 3.3%

A library has 800 books and is adding 500 more books each year which is linear or exponential

Stodoła składa się z 1259 cegieł. Druga stodoła ma o 347 cegieł mniej. Trzecia ma o 567 cegieł więcej od pierwszej stodoły a czwarta stodoła ma o 490 cegieł więcej niż druga stodoła. Z ilu cegieł składa się druga, trzecia i czwarta stodoła