If 3 (x + 5y) = 24, find y when x = 3.
A. 1
B. 3
C.5
33
D. 7
43/8 simplified
1/2 + 2/4 =
0.16/173.25
3a(b-8)
(3x5)-(2x4)
Let U is an ideal of R and a set [R : U] = {x ∈ R : rx ∈ U ∀ r ∈
R}. Then prove that [R : U] is an ideal of R containing U.
.3 2 x 12 equals: A. 4 B. 6 C. 8 D. 18
6+12*3 / 17-13+2
