What is 21/56 and 63/81 in simplest form

Jackson spent 2 2/3 hours skateboarding at 4 different parks this week. he spent the same amount of time at each park. how long did he skateboard at each park

A study of the amount of time it takes a mechanic to rebuild the transmission for a 2010 chevrolet colorado shows that the mean is 8.4 hours and the standard deviation is 1.8 hours.

From the list of numbers below, write one number in each box. You may use each number exactly once. 3, 4, 7, 8, 9, 14. Three Numbers with a mean=8 and MAD=4

There were 3 apple 1 mixed fruit 2 grape and 4 tropical fruit juice boxes in the cooler at the picnic what is the probability that when jill reaches into the cooler to grab 2 juice boxes without replacing them she grabs 2 that are grape?

Simplify m - {n [p - (m n - p) ]}.

Volume is an unreliable measurement because A. there's no standard size of measuring cup or spoon. B. solids can't be measured accurately by volume. C. food expands or contracts in different temperatures. D. gas weighs less than liquid.

How to model fractions

What is (4, 9) (-6, 12) in slope intercept

Do anyone know anything about Rhombus In geometry. I need math genius.

Divide 68p in the ratio 1 : 2 : 1