Answer:
1) Yes
Product of Means = Product of Extremes
4 × 21 = 7 × 12
84 = 84
2) No
Product of Means = Product of Extremes
2 × 2 = 3 × 3
4 ≠ 9
3) No
Cross multiplying
3 × 6 = 4 × 8
18 ≠ 32
4) Yes
Cross Multiplying
1 × 25 = 5 × 5
25 = 25
Expression: <span>a = 9b²c
b</span>² = a/9c
b = √(a/9c)
b = √a/3√c
Or b = 1/3 √(a/c)
In short, Your Answer would be: Option D
Hope this helps!
The answer is 2942.10 because 2,949.7-7.6= 2942.10
Answer:
57% to the nearest whole number
Step-by-step explanation:
That is (80/139.3) * 100
= 0.5743 * 100
= 57.43%.
Answer: D
Step-by-step explanation:
