(06) A paper is in the form of a square of side 20m. Semicircles are
drawn inside the square paper
on two sides as diameter. The
semicircle portions are cut off.
Find the area of remaining
paper. (use π = 3.14).

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"