The first problem
x(x+3)=28
x^2+3x=28
x=4
The second problem
x(x-4)=32
x^2-4x-32=0
x=8
One way ti find the common denominatir is to check ti see if ine denominator is a factor to the other deniminator if it is then the deniminator can be used as the common denominator when the two deniminators are the same compare the numerators
Answer:
13
Step-by-step explanation:
32-2=30
30+7=37
50-37=13
$6.39/3 bags = x dollars/1 bag
x dollars = $6.39/3 bags = $2.13 : 1 bag
Let M=macaws lifespan and D=dogs lifespan
M=5D
70=5D
If you want to know the dogs average lifespan then solve for D which is 14years.
