Answer:(9y-7)(9y+7)
Step-by-step explanation:
81y^2-49
=(9y)^2-(7)^2
=(9y-7)(9y+7)
Answer:
The greatest possible value of xy is 165.
Step-by-step explanation:
Answer:
im trying to do a challenge because this kid deleted all my answers
Step-by-step explanation:
Answer:
A) s/3 +t
Step-by-step explanation:
To represent 1/3 of a number, we can simply divide this number by 3, meaning if s is the number, 1/3 of s would be s/3. Now to add t all we have to do is + t, making our answer s/3 + t
Solve the equation for x by finding a, b and c of the quadratic then applying the quadratic formula