exam Maths Puzzle Numerical Ability

Evaluate. 42 + 2 7 - (5 4 - 15)

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exam Other Question

the length of a rectangle is 5 cm more than 3 times its width. If the area of the rectangle is 95 cm^2, find the dimensions of the rectangle to the nearest thousandth Having trouble with this problem: (8x+5)^2 = 16 I need to solve this using the square root property. PLEASEEE HELP!!! I have spent hours!