Answer:
1. observational study
2.survay
3.experiment
Step-by-step explanation:
Answer:
zero
Step-by-step explanation:
The line is a horizontal line
Horizontal lines are of the form y= constant
This means they have zero slope
Answer:
y=-4 or y=-6
Step-by-step explanation:
y^2-14y+49=2y^2-4y+73
y^2+10y+24=0
(y+4)(y+6)=0
y=-4 or y=-6
Answer:
8
Step-by-step explanation:
Substitute the given values into the expression
xy²
=
× 4 × (- 2)²
= 2 × 4
= 8
Answer: 0.14
Step-by-step explanation:
5 / (25+5+5)