How does a vector quantity differ from a scalar? A. It's bigger.
B. It has direction.
C. It has force.
D. It's faster.

Find the volume of the ellipsoid x^2+y^2+5z^2=36.

Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.

An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?