Answer:
C
Step-by-step explanation:
the equation of relationship between x and y in item ll is: y = -x -3
the rate of change of it is -1 that is equal to the rate of change of items l.
Answer:
18
Step-by-step explanation:
The two smaller sides are 15 and the larger one is 18
Using formula of difference of two squares a^2 -b^2 =(a-b)(a+b) we get
49p^2 -64y^2 = (7p -8y)(7p +8y)
and
1 - 25x^2 = (1 -5x)(1 +5x)
hope helped
use cosine rule
a² = b² + c² -(2*b*c*cosA)
Answer:
96
Step-by-step explanation:
4 ( 5 + 19 )
= 4 * 5 + 4 * 19
= 20 + 76
= 96
