List the terms of the expression. Then identify the coefficient of each term.-5a + 7z
A. -5a, 7z; -5, 7
B. a, z; -5, -7
C. 5a, -7z; 5, -7
D. -5a, 7z; 5, -7
Answer: A
Mathematics
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Solve the system by the addition method.
A. (4, 
), (4, -
)
B. (4, 
), (4, -
), (-4, 
), (-4, -
)
C. (3, 
), (3, -
), (-3, 
), (-3, -
)
D. (3, 
), (3, -
)
Mathematics
Write the fractions as decimal numbers.
A. 0.0782 B. 0.782 C. 0.000782 D. 0.00782
Mathematics
Solve the problem.A right triangular plate of base 4.0 m and height 2.0 m is submerged vertically, as shown below. Find the fluid force on one side of the plate if the top vertex is 1 m below the surface. 
4.0 m
A. 170,000 N B. 85,000 N C. 78,000 N D. 52,000 N
Mathematics
Solve the system of equations by substitution.
A. (7, 0) B. (0, -7) C. (1, -8) D. no solution
Mathematics