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A speaker’s informative topic is accurate but feels irrelevant to the class. Which revision BEST addresses the problem?

24. When a comet like Comet Hale-Bopp comes closest to the Sun in its orbit, we say that it is at:

A student’s general purpose is “to inform.” Which additional statement would MOST directly determine what the audience should learn by the end of the speech?

Which choice BEST distinguishes informative speaking from merely displaying knowledge?

4. We now know that the orbit of a stable planet around a star like the Sun is always in the shape of:

29. According to Kepler’s 2nd Law, comets (which have eccentric orbits) should spend a lot more of their time:

A speaker knows an audience strongly disagrees with the topic. Which adaptation is MOST effective?

The utility function for Raj is U = min{4M, T}, where M is pints of milk and T is cans of tuna. Raj has $90 to spend on tuna, priced at $2 per can, and milk, priced at $1 per pint. What is Raj’s utility-maximizing consumption bundle? (Hint: The given utility function is for perfect complements, which are always consumed together. So, their optimal consumption occurs at 4M=T. Use this with the budget constraint and find the optimal bundles.)

The consumer’s budget constraint is 6 = 0.50G + P, where G is packs of gum, and P is bags of pretzels. The marginal utility of pretzels is MUP = G0.5, and the marginal utility of gum is MUG = 0.5G−0.5P. The consumer’s utility function is U = G0.5P. The utility-maximizing bundle consists of _____ packs of gum and _____ bags of pretzels. (Hint: MRSPG=)

As it is a summer favorite, and in the belief that prices are on average too high, the government imposes a price ceiling of $3.70 per cup of Fried Ice Cream. Based on the following table, the price ceiling causes a _____ fried ice creams. Table: The Market for Fried Ice Cream Price ($/unit) Qd (units) Qs (units) 3.60 9,000 3,000 3.70 8,000 5,000 3.80 7,000 7,000 3.90 6,000 9,000 4.00 5,000 11,000 ​ ​