Simplify the algebraic expression.-7x - 5x
A. -12 + x
B. -12x
C. -2x
D. 35x
Answer: B
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Find the value of the expression using the given values.(
)2 for x = 4
A. 4
B. 
C. 16
D. 
Find the integral.
dx
A. 
- 
e-0.7x + C
B. - 
+ 
e-0.7x + C
C. 5 ln 
- 
e-0.7x + C
D. 5 ln 
+ 
e-0.7x + C
Solve the problem.In 1990, the world usage of natural gas was 72.137 billion cubic feet, and the demand for natural gas was growing exponentially at the rate of 4% per year. If the demand continues to grow at this rate, how many cubic feet of gas will the world use from 1990 to 2000?
A. 887 billion cubic feet B. 741 billion cubic feet C. 973 billion cubic feet D. 923 billion cubic feet
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__tttt0622191212__f1q52g6.jpg" style="vertical-align: -17.0px;" /> in. length d is:
A. 0.6 in.
B. 0.9 in.
C. 0.7 in.
D. 0.8 in.
a 4
in. b 
in. c 
in. d 
in. e 2