exam Maths Puzzle Numerical Ability

A family has five children. The probablilty of having a girl is 1/2. What is the probability of having no more than 3 boys?

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exam Other Question

Rewrite the expression as a sum, difference,and/or multiple of logarithms
log2[2 square root x / 3]
Simplify



3(2r - 5) + 8(r + 2)


Simplify to make easier please thanks!