The price of stock A at 9.am was 13.28 since then the price has been increasing at the rate of 0.07 each hour at noon the price of stock b 14.03 it begins to decrease at the rate 0.09 each hour if the two rates continue in how many hours will the prices of the two stocks be the same .

Interpret the following expression (5y^2-7)^3/(2y)^2

The trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? a) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2

The roof of a farm silo is the shape of a hemisphere and is made of sheet tin. if the diameter of the silo is 126.5 feet, how much sheet tin is needed to make the roof? (use π = 3.1416.)