exam Maths Puzzle Numerical Ability

Solve the following inequality. -3(x+5)>-2x+7

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exam Other Question

use the five exponents of exponents simplify


(Y5)3(Y3)2/(Y4)4
Everyone shook hands at a party. There were 190 handshakes in all. How many were at the party? (From Algebra by Keedy, Bittinger, Sith and Orfan, p. 221)
I think I can get the