Answer:
100-36x^2y^2
Step-by-step explanation:
100-36x^2y^2 =
(10-6xy)(10+6xy)
Because x^2-y^2 = (x+y)(x-y)
Answer:
352
Step-by-step explanation:
(216-128)*(4)
(88)*(4)
352
Answer:
For question 1:
The length of hypotenuse expression =√(8^2+9^2)
For question 2:
The expression for length a is
a=√(15^2-4^2)
Step-by-step explanation:
For question 1:
The length of hypotenuse expression =√(8^2+9^2)
For question 2:
Then expression for length a is
a=√(15^2-4^2)
Answer:
10
Step-by-step explanation:
2+3=5
5+4=9
the blank in the circle must be more than 10