Solve -2.5n + 8.7 > 5.45.

n < 1.3
n > 1.3
n < -5.66
n > -5.66

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?