Nadeem plans to ride his bike between 12 miles and 15 miles. a) Write and solve a compound inequality to model how many hours Nadeem will be riding. Define the variable. 3 points

For every 1 red crayon in a box there are 4 pink ones. Make a ratio table to determine how many pink crayons are in the box if there are 5 red ones in the box. (2 points)

3.1.1 \( \frac{2}{x^{2}-x-6}-\frac{5}{4-x^{2}} \)

Tentukan turunan pertama fungsi \( f(x) \) berikut : \( \begin{array}{l}\text { 1. } f(x)=2 x^{4} \cdot\left(\sqrt[3]{x^{5}}-6 x\right) \\ \text { 2. } f(x)=\left(x^{2}+2 x\right) \cdot(3 x-1) \\ \text { 3. } f(x)=(x+5)^{4} \cdot(3-2 x) \\ \text { 4. } f(x)=\frac{\left(x^{2}+5 x\right)}{(2-x)} \\ \text { 5. } f(x)=\frac{(x-1)}{\left(x^{2}+3 x\right)^{2}} \\ \text { 6. } f(x)=3 x^{5} \cdot \sec x \\ \text { 7. } f(x)=3 \cos x-\sin x \\ \text { 8. } f(x)=\sin 3\left(4 x^{2}+5\right) \\ \text { 9. } f(x)=\cos 7 x-\tan 3 x^{2} \\ \text { 10. } f(x)=\sin (5 x-8)+\cos ^{3} 7 x\end{array} \)

(1) \( n x+n=10 \)

a) \( \begin{array}{l}x-y=2 \\ 5 k+y=4\end{array} \)