economics
A research firm calculated that students who attend University spend about $2,760 each in the local economy for a total of $50.45 million. In total, the impact of their spending on the local economy is £63 million. Calculate the size of the student spending multiplier. c...
economics
if Q = 60 − (1/2)P, and MC = 60, which means that MR = 60 how do you work out the price, which then allows you to work out the Q. does the graph still exhibit a slope at twice the rate of the demand curve? thanks for looking in
Chemistry
cr(s)--->Cr^3(aq)+3e- and Pb2+(aq)+2e---->Pb(s) write a balanced equation Please help thanks
statistics
An oil change shop advertised to change oil within 15 minutes. Based on the data collected on a typical day, what is the probability that oil change will take 15 minutes or less time? Based on the data, do you think the business claim is valid? Explain why or why not.
how many particles...?(Physics
A person takes a breath as deep as possible by exhaling as far as possible (leaving a volume of 1.170 L in their lungs), and then slowly inhaling to increase their lung volume by 4.580 L. His body temperature is also 37.64 ¡ãC. (i)How many particles of air do the...
Urgent Help needed in PHYSICS!
A spherical balloon is inflated to a diameter of 20.0 cm. Assume that the gas in the balloon is of atmospheric pressure (101.3 kPa) and is at a temperature of 20.0 ¡ãC. It is then taken by a diver 15.0 m under the sea. The temperature of the seawater at this depth...
Physics-
i¡® ve got the first question... so can anyone help me with the second??
math
31824
math
A professor grades students on three tests, four quizzes, and a final examination. Each test counts as two quizzes and the final examination counts as two tests. Sara has test scores of 60, 80, and 89. Sara's quiz scores are 85, 94, 83, and 84. Her final examination score ...
Algerbra
-3x+6
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