A \( =132,749 \mathrm{Sm} \) 3.2.3 \( \begin{array}{l}\text { The compost that Sam uses states that one bag can cover } 11,8 \mathrm{~m}^{2} \text {. } \\ \text { Sam calculated that he would need } 12 \text { bags. Deternine if his } \\ \text { calculation is correct. }\end{array} \)

a) \( 2^{5}= \)

4. Grandma's cookie recipe calls for \( 1 / 2 \) oup of oatmeal for every \( 3 / 4 \) cup of flour. How much flour will Grandma need if she uses 2 cups of oatmeal?

Determine o primeiro termo da PA na qual \( \mathrm{a} 11=10 \) e \( \mathrm{r}=-1 / 3 \).

3) Maurice has a pet hamster. In October he spent \( \$ 13.68 \) on hamster food \( \$ 7.89 \) on wood shavings \( \$ 21.14 \) on a new hamster wheel. About how much money did he spend on his hamster? Estimate by rounding each amount the nearest dollar. Exactly how much did he spend on his hamster in October?

A train travels for 3.75 hours at 80 miles an hour. Use the formula \( d=r \cdot t \), where \( d= \) distance, \( r= \) rate, and \( t= \) time, to find the distance the train traveled. The distance traveled is miles. The solution is