She should use a computer to select 30 students at random then ask which ones play chess. The other options could produce more skewed results.
He need to earn 48
Inequality : 80-32=x
I solved it on your other posting of it. x = 12
All of the steps are there
The second dot with says x+y=360 y=8x
Answer:
first term = 2 ...(given)
second term = f (2) = f (2-1) * 5 = 1 * 5 = 5. .....[according to the formula f(n) = f (n -1) *5 ]
third term = f (3) = f ( 3 - 1 ) * 5 = 2 * 5 = 10
fourth term = f (4) = f (4 - 1) * 5 = 3 * 5.= 15
fivth term = f (5) = f ( 5 - 1) * 5 = 4* 5. =20