A city currently has 123 streetlights. As part of an urban renewal program, the city council has decided to install 2 additional streetlights at the end of each week for the next 52 weeks. How many streetlights will the city have at the end of 40 weeks?

Firma yanvar oyida 135 mln so'm, fevralda yanvardagidan 5 baravar kam, mart oyida esa fevraldagidan 3 baravar ko'p daromad oldi. Firma bu kvartalda jami necha so'm daromad olgan?

201*8.4 \( 43.8 * 8.6 \) \( 97 * 11.2 \) \( 7.6^{*} 54 \) \( 44 * 8.4 \) \( 89 * 8.4 \) \( 74 * 8.4 \)

8. in 'n sekere skool is daar 500 studente. a) Hoeveel van die leerders is meisies indien \( 40 \% \) van die leerders seuns is? b) \( 12 \% \) van die seuns is afwesig op 'n sekerc dag. Hoevel seuns is aanwesig? c) \( 45 \% \) van die leerders speel sokker, \( 25 \% \) speel netbal en die res speel tennis. Hoeveel leerders speel tennis?

4) Se a seqüência \( (-8, a, 22, b, 52) \) é uma progressão aritmética, então o produto a.b é igual a: \( \begin{array}{llll}\text { a) } 273 & \text { b) } 259 & \text { c) } 124 & \text { d) } 42 \\ \text { Alternativa B } & \text { e) } 15\end{array} \)

k. \( 2 \frac{1}{4} \cdot 4 \frac{5}{6}= \)