Solve the problem.The distance an object is from the ground after being tossed from a hot air balloon 830 feet in the air is a function of time: f(t)
where f(t) is height and t is the amount of time the object has been in the air. Predict the height of the object after 5.5 seconds.
A. 0 feet
B. 312.18 feet
C. 772.25 feet
D. 373.78 feet
Answer: D
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. -14 B. -5 C. 0 D. 1
Find the reference angle for the given angle.361°
A. 89° B. 1° C. 179° D. 91°
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?
A. $180,000 B. $300,000 C. $270,000 D. $239,400
Change the measurements on this scale drawing to decimals and round them to the nearest tenth of an inch. src="https://sciemce.com/media/4/ppg__tttt0623191133__f1q50g6.jpg" style="vertical-align: -17.0px;" /> in. length b is:
A. 0.2 in.
B. 0.3 in.
C. 0.1 in.
D. 0.4 in.
a 4
in. b 
in. c 
in. d 
in. e 2