Dave rented a limousine for his wife's birthday. the hourly rate is $60. they used the limousine for 5 hours, plus dave gave the driver a 10% tip. how much did he spend in total for the hourly charges plus tip?

Consider the reaction 2x2y2+z2⇌2x2y2z which has a rate law of rate= k[x2y2][z2] select a possible mechanism for the reaction.

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.