Simplify 10a + 3b - 8a -4b
2a-b
11×(4+3)
77
9th multuple of 15
135
List factors of 49
1,7,49
10+-5
5
13x +3= -10 ??
Wat does x equal
X=-1
Solve 9x -4 = 23
X = 3
4×4+3
19
-8+6
-2
40×30
1200
Find the median 19,15,9,10,25
15
Find the median 13,24,18,13,21
18
12 x 12
144
Find the median 10,16,22,28,34
22
12x 0.4
4.8
10% of 46
4.6
50% of 159
75
1 % of 228
0.228
25% of 120
30
Round 0.137 to s.f.
0.14
5 x 12
60