Solve the problem.Experience shows that a ski lodge will be full (177 guests) if there is a heavy snow fall in December, while only partially full (80 guests) with a light snow fall. What is the expected number of guests if the probability of a heavy snow fall is .40?
A. 138.2
B. 106.2
C. 70.8
D. 118.8
Answer: D
Mathematics
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Rewrite the expression with a positive rational exponent. Simplify, if possible.
A. -2x21/10 B. -2x9/10 C. -8x9/10 D. -8x21/10
Mathematics
Solve the problem.Carla works for $5 an hour. A total of 27% of her salary is deducted for taxes and insurance. How many hours must she work to take home $1095?
A. 280 hr B. 400 hr C. 350 hr D. 300 hr
Mathematics
Evaluate the expression 
and write the result in simplest form.
A. 
B. 
C. 
D. 
E. 
Mathematics
Simplify.- 
A. -
B. - 
C. - 
D. - 
Mathematics