3 There are 15 fourth grade students and 19 fifth grade students in math club. The tables in Mrs. Miller's classroom seat 4 students each. Write and solve an equation to find how many tables Mrs. Miller will need.

Perform the indicated operation. \( \begin{array}{l}g(x)=-3 x+4 \\ h(x)=x^{2}-3 \\ \text { Find }(g \cdot h)(x)\end{array} \)

From a plate of 27 apple slices, each of 4 friends ate the same number of slices. There were 3 apple slices left. Which equation can be used to find the number of apple slices each friend A. \( 3 x+4=27 \) B. \( 4 x+3=27 \) C. \( 3(x+4)=27 \) D. \( 4(x+3)=27 \)

Simplify the radical expression. \[ \sqrt{20 x^{2} y^{12}} \]

Make a ten or a hundred to add mentally \( 1,274+3,599= \)

Perform the indicated operation. \( \begin{array}{l}f(n)=-4 n-1 \\ g(n)=3 n-2 \\ \text { Find }(f \cdot g)(n)\end{array} \)