Simplify.-0.8 - 8(0.8) + 0.8
A. -14.08
B. -6.4
C. -7.2
D. -6.24
Answer: B
Mathematics
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Solve the equation.4k2 - 31k - 8 = 0
A. -4, 8
B. - , 4
C. - , 8
D. , -
Mathematics
Evaluate the expression using the given value of the variables.3y + for x = 5, y = 7
A. 26 B. 46 C. 5 D. 8
Mathematics
Solve the problem.A rectangle has a length of x + 5 and a width of x - 5 and has an area of 56 square units. Find the length and width of the rectangle. (A = LW)
A. width = 1 unit; length = 56 units B. width = 2 units; length = 28 units C. width = 7 units; length = 8 units D. width = 4 units; length = 14 units
Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(4x -
)(
-
)
A. 4x2 - 4x + 10
B. 4x2 + 10
C. 4x2 - 4x -
+ 10
D. 4x2 - 3x + 10
Mathematics