Find the degree of the following polynomial and determine whether it is a monomial, binomial, trinomial, or none of these.7y9 - 1
A. 0; binomial
B. 7; monomial
C. 9; binomial
D. 10; binomial
Answer: C
Mathematics
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Write the linear system as a matrix equation in the form AX = B, where A is the coefficient matrix and B is the constant matrix. 2x + 3z= 17 2y + 7z = 21 2x + 5y + 5z = 54
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Convert the angle to a decimal in degrees. Round the answer to two decimal places.21°17'34''
A. 21.34° B. 21.22° C. 21.29° D. 21.37°
Mathematics
Multiply or divide. Write the answer in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Use the inverse of the coefficient matrix to solve the system of equations. y + z = 7,3x -z = 4, 2x + y + 3z = 2; A-1 = - 
A. 
B. 
C. 
D. 
Mathematics