Which statements are true about the graph of y ≤ 3x 1 and y ≥ –x 2? Check all that apply. The slope of one boundary line is 2. Both boundary lines are solid. A solution to the system is (1, 3). Both inequalities are shaded below the boundary lines. The boundary lines intersect.

By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases by 40%.

The smokey mountains have over 2,100 miles of rushing mountain streams and rivers that flow through the park. in each mile lives a diverse community of native fish, amphibians, insects, and larvae, some of which are found only in the southern appalachians. park managers and scientific researchers test many factors such as fish populations, the watersheds and water tests to determine a) too many lizards are present b) the water quality of the stream c) rainwater is running into local streams d) if visitors to the park are overstaying their welcome

Determine if the situation below is a safe practice: julia needs to hang some industrial shelving, so she carefully selects the correct drill bits for the electrical drill before attempting to screw the shelves into the wall.