exam Maths Puzzle Numerical Ability

Find one angle with positive measure and one negative measure coterminal with -310 degrees

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exam Other Question

In using esponential and logarithmic equations, could you help with these
problems?
#1 log(2x with power of 2 + 3x)=log(10x + 30).

#2 log lower case 7(5x) - log lower case 7(3 A man has a choic of a white, yellow, or blue shirt. He also may select a red tie or a green tie. How many different outfits can he make of 1 shirt and 1 tie?