Which of the following statements is true? A square is ALWAYS a rectangle. A rectangle is ALWAYS a square. A rectangle is NEVER a square. A square is NEVER a rectangle.

Which has the greater energy, light of wavelength 519 nm or light with a frequency of 5.42 x 10^8 sec^-1?

The tree filled 3/4 of a cup in 1/2 and hour at what rate does syurup flow from the tree

Identify the percent of change as an increase or a decrease. 75 people to 25 people response - correct increase decrease question 2 find the percent of change. round to the nearest tenth of a percent.