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Consider the set M = {-1028, -2050/5, -3/25, 0, 4/21, 1, √24, 11, 9π}. Identify which of its elements are irrational numbers.

Determine the change in the area of a rectangle if its width is increased by five times and its length is increased by seven times.

Perform simplification in the given expression.

Perform simplification in the given expression.
(-1/17)(34p +68q -85r)

Solve the expression for the given values:
|-15q -3p| where p = -6 and q = 1