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It takes a tree 5 years to grow 3 feet. At this rate, how much will the tree grow in 30 years?

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

What is coefficient of the term of degree of degree 5 in the polynomial below

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years