1.what solid figure has 2 identical circle forming the top and base of the solid ，and a curved rectangular surface ？
A. cube
B.cylinder
C. pyramid
D. prism

how many equal faces does a cube has？
A.three
B.four
C.six
D.nine
3.in the number sequence （2，4，7，11，16），what will be the expected 8th term of the sequence
A.29
B.32
C.36
D.37
4.if you are adding 2 negative number ，will your answer be positive or negative
A.negative
b.positive
c.IT cannot depends on the value of the number
D. IT depends on the value of the number
5.what is the product a positive integer and negative integer？
A.negative
b.positive
c.IT cannot depends on the value of the number