Subtract and simplify. Write the answer as a mixed number as needed.15
yd - 4
yd
A. 11
yd
B. 11 yd
C. 10
yd
D. 10
yd
Answer: D
Mathematics
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Factor, if possible.-36m2n2 + 21m2n3 - 3m2n4
A. -3m2n2 (n - 4)(n - 3) B. -3(m2 - 4)(n4 - 3) C. 3m2n2 (n + 4)(n + 3) D. 3mn(n2 - 4)(m2 - 3)
Mathematics
Solve the equation.4-x = 
A. 
B. {2}
C. {-2}
D. 
Mathematics
Write the number without exponents.7.960 × 107
A. 7,960,000 B. 79,600,000 C. 557.2 D. 796,000,000
Mathematics
Determine whether f is a linear function. If f is linear, give the values for m and b so that f may be expressed as 
.f(x) = 3.8 - 5.7x
A. Linear; m = 5.7, b = -3.8 B. Nonlinear C. Linear; m = 3.8, b = -5.7 D. Linear; m = -5.7, b = 3.8
Mathematics