Add.-17 + 2
A. 19
B. -19
C. -15
D. 15
Answer: C
Mathematics
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Express the number in scientific notation.29,000,000,000
A. 2.9 × 10-9 B. 2.9 × 1010 C. 2.9 × 10-10 D. 2.9 × 109
Mathematics
Solve the absolute value inequality.|2x - 3| ? 2
A. 
< x < 
B. 
? x ? 
C. x ? 
or x ? 
D. x ? 
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Find the indefinite integral.
?
?
Hint: First, make the substitution 
; then, integrate by parts.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve.A plane makes a 240-mile trip against a head wind in 1 hour and 30 minutes and returns, with a tail wind of the same speed, in 1 hour. What is the speed of the wind?
A. 80 mph B. 200 mph C. 160 mph D. 40 mph
Mathematics