Help me with math please! 5 questions, 5 points each, 25 points overall! :D Please answer EACH AND EVERY question!! ↓ ↓ ↓ ↓ ↓
a. systematic sampling
b. convenience sampling
c. stratified random sampling
d. voluntary response sampling
A.14x - 11
B.22x + 11
C.14x + 11
D.18x + 7
B. -3/8
C.-4/9
D. -1/4
B. -0.4, -0..4, -0.42, -0.042
C. -0.042, -0.04, -0.4, -0.42
D. -0.42, -0.4, -0.042, -0.04