Barrel has a radius of 2 feet and holds a total of 30 cubic feet of water. How tall is the rain barrel? Use 3.14 for pi.

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6,000 dollars is invested in two different accounts earning 3% and 5% interest. At the end of one year, the two accounts earned $220 in interest. How much money was invested at 5%? $2,000 $3,000 $4,000

Fis = 0.4 and fst = 0.8 and the average allele frequency p = 0.7, find the observed level of heterozygosity in the total population. a ... 2689, b ... 3743, c ... 0504, d ... 9827, e ... 5001

Henry is playing with a standard deck of cards what is the probability that the next card he flips over is a jack or red?

how do you convert F=1.8c+32 temperature I'm degrees Celsius c to a temperature in degrees Fahrenheit f

A student who correctly answered 60 questions ona test received a score of 75%. how many questions are on the test?

Five times the sum of a number and - 1 is the same as 6 times the number. What is thisnumber?

Minxia counted 40 green cars and 20 silver cars in the parking lot. If the number of green cars stays the same, how many more silver card would need to be added so the ratio of green cars to silver cars is 1 to 3?

How do we find the mode of a set of numbers and can there be more than one

Ella is making 3 batches of banana milkshake she needs 3/4 gallon of milk for each bath. Her measuring cup holds 1/4 gallon. How many times will she needs to fill the measuring cup to make all 3 bathes of milkshake.