An electric razor costs Del Pharmacy $54.39. Its selling price is $108.98. The overhead included in the price totals $22.85. What is Del Pharmacy's net profit on the razor?

Magnesium is a highly flammable element which is easily combustible in the presence of oxygen: 2Mg + O2 - ->? + heat How many atoms would you expect to find on the product side of this equation?

Which statement about one of Newton's laws of motion is incorrect? A) the total force on an object is calculated by multiplying it mass times its acceleration, B) An object is motion continues in motion unless acted upon by and outside force.

Which kind of friction requires more force to overcome rolling or sliding fricton?

Which group was guaranteed voting rights by the Fifteenth Amendment? A. women B. soldiers C. African Americans D. 18 year olds

An object travels in a circular path of radius 5.0 meters at a uniform speed of 10. m/s. What is the magnitude of the object's acceleration? 2.0 m/s/s 2.5 m/s/s 5.0 m/s/s 20. m/s/s 50. m/s/s

A resistor has a current of 2 amperes when connected to a single battery. If a second identical battery is connected in series with the first, what is the current through the resistor? a) Still 2 amps b) 4 amps c) 1 amp d) no current

Describe some basic guidelines for safe PRE

Why is the liver important in digestion

A building 190 feet tall casts a 30 foot long shadow. if a person stands at the end of the shadow and looks up to the top of the building, what is the angle of the person's eyes to the top of the building (to the nearest hundredth of a degree) ?

The frequency of which type of electromagnetic wave is just higher than that of visible light? A. infrared waves B. gamma rays C. x-rays D. radio waves E. ultraviolet rays