math
Tupac_alive1) The length of a rectangle is a two-digit number with identical digits (aa). The width is 1/10 of the length. The perimeter is 2 times the area of the rectangle. Find the length and the width.
2) How long is the shorter side of a rectangle when one side is 2” longer than the other and the area is 15 sq. in?
3) Solve the following inequality for b. 7 – 4b ≤ −3(b − 1) Show the solution in set builder notation and interval notation.
4) Solve the following inequality for x. – 1 5 (2???? − 25) + 1 3 (4???? + 9) > 1
5) Four numbers have a sum of 9900. The second exceeds the first by 1/7 of the first. The third exceeds the sum of the first two by 300. The fourth exceeds the sum of the first three by 300. Find the four number
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