Answer
-7r2+12r-8
Step-by-step explanation:
144 classes. each class is 10 minutes. 6X24= 144
The markdown will be $21.60. so the final price after the markdown is $68.40.
Answer:
a. add the equations to eliminate x
Step-by-step explanation:
this is called process of elimination
Answer:
None of them.
Step-by-step explanation:
Each and every straight line is of one kind in terms of its pattern: it can be presented in the view of
:
is the slope or gradient of the line,
is the y-intercept of the line. I will not let the cat out of the bag if I say that any parallel lines do not intersect one another, hence they should have the same value of coefficient
.

Therefore, our line has
and
coefficients.
(A) 
(B) 
(С) 
(D) 
Recapitulating this: none of them have the same coefficient
, thus none of them suit us.