Value of 3a + 2b if a = 4 and b = 2 is.
16
11
13
14
7(3n - 4m) + 8n =
21n - 28m
29n - 28m
13n - 28m
None of these
77 ÷ 7 =
78
76
77
7
Factorize 3y + 9z + by + 3bz.
(b + 3) (y + z)
(b + 3z) (y + 3)
(b + 1) (y + 3z)
(b + 3) (y + 3z)
93/4 ÷ 91/4 =
1
0
3
9
Simplify a3(c2 + d2) - a3(2c2 + 3d2)
-(a3c2 - 2a3d2)
-(a3c2 + 2a3d2)
a3c2 + 2a3d2
7m (m + 4) + m2 + 2 =
8m2 + 28m + 2
8m2 + 24m + 2
7m2 + 8
(3p4)2 =
3p8
9p6
9p8
9p4
6b3c + b2c2 =
b2c(6bc + c)
b2c(6b + c)
b2(6bc + c)
a(2d + 4e) - 3e (a - c) =
2ad - ae + 3ec
2ad + ae - 3ec
2ad + ae + 3ec