a28=58
step-by-step explanation:
a1=a1+(n-1)d
a28= 4+ (28-1)2
a28=4+(27)(2)
a28=4+54
sweetheart, there isn't a cube below.
4y - 6 + y^2 - 9 = y^2 + 4y - 15
y^2 term
terms
- terms
total of 3 terms when simplified