In the graph below, which of the following are true? a. the veriables are: area painted and the amount of paint in the can. as the area painted increases, the amount of paint in can decreases

b. the veriables are: area painted and the amount of paint in the can. as the area painted increases, the amount of paint in can increases

c. the veriables are: how big the wall is and how fast the painter can work. as arear painted increases, the painter starts working faster

d. the veriables are: how big the wall is and how fast the painter can work. as arear painted increases, the painter starts working slower

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.

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

u = -(6/7)w

step-by-step explanation:

place all values with 'u' on one side of the equation.

4u + 8w = - 3u + 2w

4u + 3u = 2w - 8w

further simplify the equation by solving the addition and subtraction.

7u = - 6w

make 'u' the independent variable by placing its co-efficient on the right-hand side.

u = - (6/7)w