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
<span>A = 1443.65 sq. cm (Maybe)
Though you do not have a figure shown. </span>
8400
Step-by-step explanation:
use multiplication
I cant reveal any more things that I know
The sprinter can run 30 feet per second.
Answer:
Step-by-step explanation:
Part A;

Part B ;

The more reasonable one is 1.4m .0.001435 is too small(its not even up to 1)