Answer:
none of the answers listed are equivalent to b (22/5, 11/8, 2/5, 1/4)
Step-by-step explanation:
to simplify, cross multiply
(1 · 5 = 3b · 4)
(5 = 12b)
divide both sides by 12 to isolate b,
None of the answers listed are equivalent to 5/12
34
150° : 30°
total ratio
5 + 1 = 6
ratio 1
180 ÷ 6 = 30
ratio 5
30 × 5 = 150
The answer to this is -1/12 so none of these options is correct
4
the answer is 4 because 2.33333333333
is 4