Since you're adding x feet to the length which is 12 feet:
New area: (12+x)10.5
Answer:
c = 22
Step-by-step explanation:
x^2 + c = 103 so if x is either + or - 9, x^2 = 81 so...
81 + c = 103
c = 22
Answer:
77/32 or 2 13/32
Step-by-step explanation:
First, convert the mixed numbers into improper fractions, 11/4*7/8
Next, you can just multiply the fractions for your answer!
Hope this helped<3
Answer:

Step-by-step explanation:
we know that
To find the ratio of yellow to red marbles, divide the numbers of yellow marbles by the number of red marbles
Let
x-----> the numbers of yellow marbles
y----> he number of red marbles
we have

so
