Answer:
b=-3
Step-by-step explanation:
-7b=21
-7b/-7=21/-7
b=-3
Answer:
C and D
Step-by-step explanation:
So from the equation <em>y = 1.26x + 9.49</em> we can gather that <em>9.49</em> is an initial value because it has to be added to the number with a variable <em>( 1.26x)</em>
Because <em>1.26</em> has a variable of <em>x </em>and x represents a week, we know that the number<em> 1.26 </em>will increases in value depending on how many weeks have passed.
Answer:

Step-by-step explanation:
From the question we are told that:
Radius 
Coupler 
Generally the equation for Stroke in a slider-crank Mechanism x is mathematically given by



Answer:
Slope EQUALS: 
Step-by-step explanation:
y=-x+3