The numbers α1, α2, α3 , and α4 are drawn one at a time from the set {0, 1, 2, …, 9}. If these four numbers are drawn with replacement, what is the
probability that α1α4 − α2α3 is an even number?
A. 1/2
B. 1/4
C. 3/8
D. 3/4
E. 5/8

a. 12.5 kg

step-by-step explanation:

f = ma

so

m = f/a = (2500 n)/(200 m/s²) = 12.5 kg

1 n = 1 kg·m/s²

answer: #1 ads up by 8 and i don't know #2

step-by-step explanation:

step by step explanation: when u removing the parentheses and combined them that would be : x+3y-x-y=2y