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What is the value of x in the equation 1/3x-2/3=-18?

At the end of June, Mr. Kent had a balance of $375.98. Since then he has written a check for $38.56 and made a deposit of $408.00. His checkbook shows a balance of $645.42. Find Mr. Kent's correct balance.

Liang went to the bookstore. he spent 1/3 of his, money on a pen and 4/7 of it on books. what fraction of his money did he have left?

Joan deposited $550 into her savings account for two years. She received 1.8% simple interest on her money. How much money did she have at the end of the two year term?

Write the solution to the inequality in set - builder notation: 5r + 8 < 63

Given the equation A=250 (1.1) ^t, you can determine that the interest is compounded annually and the interest rate is 10%. Suppose the interest rate were to change to being compounded quarterly.

How to do this problem 3 (4x-2) equals 12x plus 1

St. bernard's birthweights at a local hospital have a normal distribution with a mean of 110 oz and a standard deviation of 15 oz. the proportion of st. bernard puppies with birthweights between 125 oz and 140 oz is:

What is - 16 + (-28) =

Solve z = 9 over 13 c for c

A square matrix that does not have an inverse is most specifically called a