Mrs. Silva orders \( 5 \) pizzas for every \( 20 \) students working on the campus clean-up. How many pizzas should she order if \( 36 \) students participate? How many pizzas should she order if \( 48 \) students participate? Show your work.  

Solve the equation, showing the transformation step. \[ 3 x-10=3 x+5 \]

1) Classify the numbers as rational or irrational. \( \sqrt{42} \) 5 \( \sqrt{42} \cdot 5 \) \( \sqrt{42}+5 \)

10. Akar-akar persamaan \( 5 x-40 x+15 x-8=0 \) adalah a, \( b \) dan c. Nilai dari ab+ bc + ac \( =\ldots \) 11. Banyak akar rasional dari \( x^{4}-5 x^{3}+7 x^{2}-5 x+6=0 \) adalah .... 12. Jika \( \frac{3 x-1}{2 y^{2}+3 y+1}=\frac{A}{y+1}+\frac{B}{2 y+1} \), nilai A dan B adalah ....

110 La somma dei segmenti EF e GH misura 40 cm . Il segmento GH è nove volte il segmento EF. Determina la misura dei due segmenti.

a. Determine the slope of the lines defined by tr a) \( \frac{x-y}{3}+2=4 \)