3:15=12:60 then find the sum of the mean

Curtis traveled a distance of 12 miles in 2 hours from the park to his home. What was his average speed in miles per hour?

Solve using perfect square factoring patterns. y2 + 16y + 64 = 0 A:{-8} B:{8} C:{8, - 8} D:{0, - 1}

69 - v - 10 43 ) = 5X-10+3 which inequality can be used to find the domain of f (x) ? . o Vex20 ox20 o 5x-1020 X-10+320

Approximately 19.7 million African-American voted in the presidential election with almost 3 million more female than male. What percent of African-America voted if United States of American is about 28.7 million?

A study of the use of social media asked a sample of 488 American adults under the age of 40 and a sample of 421 American adults aged 40 or over about their use of social media.

What single percentage change is equivalent to a 15% decrease followed by a 16% decrease?

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Calculate (reduce to smallest term) 8 2/5 - 3 4/5

0: Which expression is equivalent to 5 (d+1)

What is the LCM of 16 and 40? 24 and 40?