1B-12 − 19 = -31°C.
2A91 + 91 = 182.
3ACXLIX = 149.
4B-11 + 8 = -3°C.
5A194 + 228 = 422.
6DEach pattern adds 3 squares, so Pattern 6 has 20.
7DThe 3 is in the thousands place → 3,000.
8E73 + 29 = 102, then 102 + 224 = 326.
9D8 divides 24 exactly.
10E15.99 ≈ 16.0
11A399 + 188 = 587, so â—‹ = 188.
12EEach pattern adds 5 squares, so Pattern 8 has 39.
13DThe number is 44.
14E£604 + £516 = £1,120.
15B1 of 6 equal steps = 1/6.
16B20% = 1/5.
17D168 ÷ 7 × 3 = 72.
18D7 of 12 equal steps = 7/12.
19B20% of £520 = £104; £520 − £104 = £416.
20C1/4 = 5/20 (×5).
21A50% of £740 = £370; £740 + £370 = £1110.
22E£143 ÷ 13 × 5 = £55.
23D9 is 1/3 of the number, so the number is 9 × 3 = 27.
24C25% of £420 = £105; £420 + £105 = £525.
25E(1 × 12)/6 = 12/6 = 2
26E£0.50 ÷ 5 × 8 = £0.80.
27A£3 × 1.2 = €3.60.
28E4 sides → Square.
29AA front door is about 80 cm.
30BA translation slides a shape without turning or flipping it. Four of these are slides; one is a mirror image.
31D600 ml.
32C2 of 4 shaded = 1/2.
33D7:10.
34D3×13 = 39 cm².
35D£5 − £1.24 = £3.76.
36D10×11 − 4×5 = 90 cm².
37E20 ÷ 15 × 90 = 120 minutes.
38CReflecting in the x-axis gives (-2 , 4).
39B7 m is the longest.
40E180° − 15° − 40° = 125°.
41D15 ÷ 15 × 75 = 75 minutes.
42D168 ÷ (6 × 4) = 7 cm.
43B25 − 20 = 5.
44E6 × 5 = 30.
45A4 appears most often.
46A1 × 4 = 4.
47C66 − 20 = 46.
48E4.5 × 8 = 36.
49B55 ÷ 5 = 11.
50DTotal = 32.