IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the z-score for an individual with a IQ...
If six people greet each other at a meeting place by shaking hands with one another, how many handshakes will take place?
1+0/0(cosec0 - cot0)
2*(72*n - 1)^2 - 1
Los números -24;-32;-40 son tres términos consecutivos; en ese orden de una progresión aritmética. La suma de los quince primeros ...
10368*n^2 - 288*n + 1
factorize
determina per quali valori di K la retta di equazione (k-4)x-(5-k)y+1=0 è parallela alla retta di equazione 2x+4y+3=0
Find the slope of (0,3) (3,7)
determina per quali valori