7. How many terms does
x-yz- xyz + x^yz? – xºyaz +10
A. 3
B.. 4
C. 5
D. 6
8. Which of the following is similar to - 2m*123?
A. -mn* B.
B. 24 C. -2m
D.
9. Which of the following is dissimilar to the second
of the expression
2x3y - xy3 + 5xy4 - 1.
A.– ¾ x ²y³
B.–x ²y³
C.– x²y²
D.–2x²y³​