Question

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Answer 1

Answer:

20 a) m^2-17m+16

=m^2-16m-1m+16

=m(m-16)-1(m-16)

=(m-16)(m-1)

b)p^4-1

=(9p^2)^2-1^2

=(9p^2+1)(9p^2-1)

=(9p^2+1)(3p+1)(3p-1)

Step-by-step explanation:

Answer 2

Answer:

radius=0.7m

height=1m

tsa=2πr(h+r)

2*22/7*0.7(1+0.7)

4.4*1.7

7.48m2