Find the angle between v and w. Round your answer to one decimal place, if necessary.v = -2i,
w = j
A. 180°
B. 270°
C. 0°
D. 90°
Answer: D
Mathematics
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Find the expected value.Numbers is a game where you bet $1.00 on any three-digit number from 000 to 999. If your number comes up, you get $600.00. If your number doesn't come up, you lose your $1. Find the expected net winnings.
A. -$1.00 B. -$0.50 C. -$0.42 D. -$0.40
Mathematics
Use Euler's method to find y-values of the solution for the given values of x and ?x, if the curve of the solution passes through the given point. 
= y - ex - 3; x = -1 to x = 0.5; ?x = 0.5; (-1, -1)
A. 
B. 
C. 
D. 
Mathematics
What term of the arithmetic sequence is the given number?
, 
, 
, . . . ; 
A. 24 B. 25 C. 23 D. 21
Mathematics
Evaluate the expression.6-1 + 8-1
A. 
B. - 
C. 2
D. 
Mathematics