Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest whole number.A triangular pyramid with base area 20 ft2 and height 4 ft
A. 40 ft3
B. 27 ft3
C. 80 ft3
D. 25 ft3
Answer: B
Mathematics
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Using your calculator and rounding your answers to the nearest hundredth, find tan ? if
?
sec ? = -1.64 and 
.
?
A. -1.10 B. -1.70 C. -1.80 D. -1.40 E. -1.30
Mathematics
Decide whether the following is an expression or an equation. If it is an expression, simplify it. If it is an equation, solve it.
A. Equation; 2
B. Equation; 4
C. Expression; 
D. Expression; 
Mathematics
Find the solution(s) (if any) of the system of equations by the graphical method. If the equations are dependent, write your answer with x being arbitrary.
A. inconsistent B. {(0, 8)} C. {(5, -7)} D. {(x, 8 - 3x)}
Mathematics
Reduce the fraction by finding a common factor in the numerator and in the denominator and dividing by the common factor.
A. 
B. 
C. 
D. 
Mathematics