Ok sure—————-_______—-____
Answer:
r = -5
Step-by-step explanation:
common ratio (r) is found be dividing one term by its preceding term:
r = 275 ÷ -55 = -5
or, r = -55 ÷ 11 = -5
Therefore, r = -5
Answer: the brother is 20 and the sister is 9
Step-by-step explanation:
29 - 11 = 18 18 divided by 2 is 9
9+11 is 20 the brothers age so the sister is 9
Answer:
$0.50
Step-by-step explanation:
multiply 3.50 by 7 and you get 24.5. $25.00-$24.50= $0.50
Answer:
30 feets
Step-by-step explanation:
subtrqct 55-25 = 30