A ______ attaches to a screed board and works faster than a regular screed board and allows a dryer concrete to be placed and finished.
A. Magnesium straight Darby
B. Bon Electric Speedy Screed
C. Handicap Ramp Bull Float
D. WHA-Lite "Euro" Decker Float
Answer: B
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What happens to the rate of evaporation if the temperature is cold?
A. It changes the approach. B. It increases. C. It decreases. D. It stays the same.
With agricultural production rising dramatically in the post-Civil War years
A. more farmers could purchase land. B. tenant farming spread rapidly throughout the Midwest and South. C. bankruptcies declined. D. Western farmers prospered, while Southern farmers had grave troubles selling their cotton. E. the government began buying surplus cash crops in order to sustain farmers' economic welfare.
Let X ~ U(a,b).
a. Show that if x ? a then P(X ? x) = 0.
b. Show that if x > b then P(X?x) = 1.
c. Show that if a < x ? b then P(X ? x) = (x ? a)/(b ? a). Conclude that the cumulative distribution function of X is
OSHA requires employers to provide a guardrail around all open-sided platforms that are two feet or more above the ground or next level