Answers edited by Zach S.

Answers edited by Zach S.

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How do you evalaute $\frac{13}{15} \div \frac{2}{5}$ $\frac { 13} { 15} \div \frac { 2} { 5}$ ?
15 names are in a hat, 6 girls and 9 boys. What is the probability of drawing, without replacement, two girls names in a row?
What is $\frac{{cot}^{4} θ}{1 - {cos}^{4} θ}$ $cot^4theta/(1-cos^4theta)$ in terms of non-exponential trigonometric functions?
How do you solve $- 7 \sqrt{3 x - 8} + 3 = - 4 x + 7$ $-7sqrt(3x-8)+3=-4x+7$ ?