The refractive index of a rarer medium with respect to a denser medium is A)Greater than 1
B) Smaller Than 1
C) Negative
D)-1

Areal estate agent is considering changing her cell phone plan. there are three plans to choose from, all of which involve a monthly service charge of $20. plan a has a cost of $.42 a minute for daytime calls and $.17 a minute for evening calls. plan b has a charge of $.52 a minute for daytime calls and $.15 a minute for evening calls. plan c has a flat rate of $80 with 275 minutes of calls allowed per month and a charge of $.38 per minute beyond that, day or evening.a. determine the total charge under each plan for this case: 150 minutes of day calls and 70 minutes of evening calls in a month. (do not round intermediate calculations. round your answer to 2 decimal places. omit the "$" sign in your response.)c. if the agent will use the service for daytime calls, over what range of call minutes will each plan be optimal? (round each answer to the nearest whole number.include the indifference point itself in each answer.)d. suppose that the agent expects both daytime and evening calls. at what point (i.e., percentage of total call minutes used for daytime calls) would she be indifferent between plans a and b?

The cost of the beginning work in process inventory was comprised of $3,000 of direct materials, $10,000 of direct labor, and $10,000 of factory overhead. costs incurred during the period were comprised of $15,000 of direct materials costs, and $100,000 of conversion costs. the equivalent units of production (eup) for the period were 9,000 for direct materials and 6,000 for conversion. the costs per eup were:

When immigration adds to the size of the domestic labor pool, which of the following is likely to occur? a. wages decrease. b. productivity increases. c. consumption decreases. d. minimum wage increases.