exam Maths Puzzle Numerical Ability

A parrallelogram has sides 6 cm and 8 cm and a 65o angle. Find the lengths of the diagnols.

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exam Other Question

I know this might not be the right type of problem but i guessed.

how many solutions does the system have? 2x-3y = 11
6x-9y = 33

a. 0
b. 1
c. 2
d. infinite
simplify

(5 times the square root of 16 - 3)(2 times the square root of 10 + 2)