22. what is the force exerted by a pressure of 720 lb/in? on a hydraulic piston with a
radius of 1.5 inches? (first: use the area formula for a circle (a = ar to get the surface
area of this circular piston.)

Which statement best describes who the period and frequency of electromagnetic was change between gamma rays and microwaves? a) the period and frequency stay the same. b) the period increases and the frequency decreases. c) the period decreases and the frequency increases. d) the period increases and the frequency increases.

What are two different ways you could find the value of a? explain these methods.

When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew