Answer:
1/2 (40×60)
Step-by-step explanation:
area of kite = 1/2 × diagonal 1 × diagonal 2
Answer:
sample variance
the value of the one observation
the mean value of all observations
the number of observations
Step-by-step explanation:
Answer:
i dont know this one
Step-by-step explanation:
7x+(x-4)(X+5)-5x
7x+(X*2+ 5x-4x-20)-5x
7x+(X*2+ x-20)-5x
X*2+3x-20