A. One brand of popcorn costs $2.00 for 1 pound 9 ounces and the second brand costs $2.10 for 1 pound 14 ounces. Which is the better buy? (Hint: There are 16 ounces in one pound. What is the cost per pound?)

What expression is equivalent to (2x-1)(x-3)?

Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)