Change the subject of the formula y = 3x + 8 to x.
x = y - 8
x = 1/3 y - 8/3
x = 3y - 8
x = 1/3 y + 8/3
Simplify 4(y + 3) - 3(2y - 1).
- 2y + 15
2y + 15
2y - 15
- 2y - 15
8 p8 ÷ 4 p4 =
2p
2 p4
4 p2
4 p4
nth term of the sequence 5, 7 , 9, 11, 13, - - - is:
2n
2n + 1
2n + 2
2n + 3
77 ÷ 7 =
78
76
77
7
Solve 11n + 1 = 1.
12
10
0
-2/11
93/4 ÷ 91/4 =
1
3
9
Find the value of 253/2.
25
125
5
50
Simplify 63 × 62 × 67.
18
1812
69
612
(83)3 ÷ 84 =
85
86
84
8-1