Find the dimensions of a rectangle whose perimeter is 16 meters and whose area is 15 square meters. The sides of the rectangle measure \( \square \) meters. (Use a comma to separate answers as needed.)

b) \( \frac{1}{3}+\frac{3}{5}= \) a) \( \frac{3}{4}+\frac{1}{8}= \)

ee domain of \( f(x)=\sqrt{16+x^{2}} \) is \( \begin{array}{llll}\text { (a) } D_{f}=\mathrm{R} & \left.\text { (b) } D_{f}=\right]-4,4[ & \text { (c) } D_{f}=[-4,4] & \left.\text { (d) } D_{f}=\right] 4,-\infty[ \end{array} \)

By first rounding both numbers to 1 significant figure, estimate the answer to \( 13 \approx 378 \)

What are the zeros of the function? \( (4,0) \) and \( (5,0) \) \( (0,0) \) and \( \left(\frac{1}{5}, 0\right) \) \( \left(\frac{1}{4}, 0\right) \) and \( \left(\frac{1}{5}, 0\right) \) \( (0,0) \) and \( (5,0) \)

\( 6 x + 3 \left[ \begin{array} { l l l } { 2 } & { 1 } & { 3 } \\ { - 1 } & { 0 } & { 0 } \end{array} \right] = 2 x + \begin{array} { l l l } { 8 } & { 1 } & { 3 } \\ { 0 } & { 4 } & { 2 } \end{array} ] \)