Simplify.4(-7x - 0.7y + 6z + 0.6)
A. -28x - 2.8y + 24z + 2.4
B. 28x - 2.8y - 24z + 2.4
C. -28x + 2.8y + 24z - 2.4
D. -3x + 3.3y + 10z + 4.6
Answer: A
Mathematics
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Simplify. Assume that all variables represent positive numbers.
A. 12x6y11z7
B. 6x4y6z4
C. 6x4y6z4
D. 12x4y6z4
Mathematics
Use ZERO (or ROOT) to approximate the positive x-intercepts of the equation. Round to two decimal places.y = x3 + 3x2 - 5x - 7
A. 1.91 B. 1.76 C. 3.83 D. 1.83
Mathematics
Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.12x-6
A. Monomial; variable x; coefficient 12; degree 6 B. Monomial; variable x; coefficient 6; degree 12 C. Monomial; variable x; coefficient 12; degree -6 D. Not a monomial
Mathematics
Simplify the expression.53 - (-9)2
A. 206 B. -66 C. 33 D. 44
Mathematics