How many new triangles have atleast one vertex common with the triangle abc?

Which of the following represents an upside-down image? o a. +doo b. -doo c. +mo d.-m

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant