Convert 0.85 to a fraction and simplify the results. \( \frac{85}{100} \) \( \frac{19}{20} \) \( \frac{17}{20} \) \( \frac{31}{40} \)

1. Which expressions are equivalent to \( 3 \frac{1}{4}-\left(-\frac{5}{8}\right) \) ? Select all that apply. A. \( 3 \frac{1}{4}-\left(\frac{5}{8}\right) \) B. \( 3 \frac{1}{4}+\left(\frac{5}{8}\right) \) C. \( 3 \frac{1}{4}+\left(-\frac{5}{8}\right) \) D. \( 3 \frac{1}{4}+\left(+\frac{5}{8}\right) \) E. \( -3 \frac{1}{4}+\left(-\frac{5}{8}\right) \) F. \( -3 \frac{1}{4}+\left(+\frac{5}{8}\right) \)

Timppa sai musiikin kokeista 9, 8, 10,9 ja 9. Paljonko hänen tulee saada vähintään seuraavasta kokeesta, jotta kaikkien kokeiden keskiarvo pyöristyisi arvosanaan 9? 8 8 9

Ans: 16 rate of 3 km per hour and the third km at the rate of 6 km per hour. Find the average speed of the cyclist.

Find the absolute value of \( 5 \).

68. Колико је: а) \( 12 \cdot(-4) ; \quad \) б) \( (-8) \cdot 11 ; \quad \) ц) \( (-2) \cdot(-37) \)