\begin{tabular}{|l|l|}\hline 4. A square has a perimeter of 28 units, an & 5. \\ area of 49 units \( { }^{2} \), and sides that are either & 100 \\ horizontal or vertical. Two of the vertices are & an \\ in quadrants where the \( x \)-value is negative. & pe \\ What are the possible coordinates of the & the \\ square? \end{tabular}

Use geometric formulas to find the unsigned area between the graph of \( y=f(x) \) and the \( x \)-axis over the indicated interval. \( f(x)=x+10 ;[2,11] \) The area between \( f(x) \) and the \( x \)-axis is (Type an exact answer, using \( \pi \) as needed.)

19. Бір тузу бойында 13 нукте болса, неше вектор жасауға болады? (A) 156 (B) 160 () 144 () 132

Two gears are adjusted so that the smaller gear drives the larger one, as shown in the figure. If the smaller gear rotates through an angle of \( 270^{\circ} \), through how many degrees will the larger gear rotate?

\( 16 \quad \) How long is an arc intercepted by the given central angle in a circle of radius 3.97 km ?

\( 1 \leqslant \quad \begin{array}{l}\text { Two gears are adjusted so that the smaller gear drives the } \\ \text { larger one, as shown in the figure. If the smaller gear } \\ \text { rotates through an angle of } 270^{\circ} \text {, through how many } \\ \text { degrees will the larger gear rotate? }\end{array} \)