27 is how much kids did the survey because I added all the fractions together like how the question did 3/5 which is 3 × 5 = 15
Answer:
7.6
Step-by-step explanation:
m<DBA is 68 degrees
Answer:
14
Step-by-step explanation:
(a+b)^2
(a+b)(a+b)
FOIL
a^2 + ab+ab + b^2
Combine like terms
a^2 +2ab + b^2
Rearranging
a^2+b^2 +2ab
We know a^2+b^2 = 4 and ab= 5
4 + 2(5)
4+10
14
