X=4, x=-1
x=-4, x=1
x=2, x=-2
No real solutions

not sure but it may be b, as i said i'm not sure.

a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )

a ≈ 172.05

step-by-step explanation:

the pictures.