In the figure shown, line RS is parallel to line MN, Which is the value of x to the nearest tenth?

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show