Solve and graph. Write the result in interval notation.8x < -40
A. (-?, -5)
B. (-5, ?)
C. [-5, ?)
D. (-?, -5]
Answer: A
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Decide which of the 5 properties of a commutative group (closure, identity, inverse, associative, commutative) hold for the given system.
A. Closure, identity, inverse, and associative only B. Closure, identity, and inverse only C. Closure only D. Closure and identity only
Find the net cost. Round to the nearest cent.$1755 less 25/20
A. $2193.75 B. $1053.00 C. $965.25 D. $1710.00
Suppose 100 people counted the number of cars passing an intersection in one hour. Due to error, not all people get the same value. The mean is 75 and the standard deviation is 1. Use the sketch to find how many people report the following. 
Less than 76 cars
A. 83 people B. 68 people C. 34 people D. 84 people
The simple interest note was discounted at 12%. Find the discount period in days and the proceeds to the nearest cent. A year is assumed to have 360 days for all calculations. Loan made: October 13Face value: $18,300Length of loan: 100 daysSimple interest rate: 10%Date of discount: January 4
A. 17 days, $18,193.42 B. 18 days, $18,714.29 C. 18 days, $18,205.96 D. 17 days, $18,701.75