The midpoint of a segment with endpoint (8, a) and (b, 4) is (−1, −1). What are the values of a and b?

a = 6, b = 10
a = 10, b = 6
a=−10, b=−6
a=−6, b=−10

C a=-10, b=-6

Step-by-step explanation:

I took the test.

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.

answer

false

explanation

these practices describe the manner the land use outcome is attained. land management methods implemented by corporations are a mandatory because they are a driver for better land use results economically, socially and environmentally. corporations are required to understand the connection between land use , and land management practices to support sustainable land use policies