Answer:
perpendicular lines
Step-by-step explanation:
when the two equation are written in slope intercept form:
y = -4x -7
y = 1/4x -2
the slopes are opposite reciprocals which means they are perpendicular
Answer:
no it isn't it would be 6/9
Answer:

Step-by-step explanation:
we have

Applying the rule power


Simplify

For this case we have that each student takes 8 \ frac {3} {4} minutes to perform and play 3 songs. Then, we convert the mixed number to a fraction:

Thus, each student takes
minutes.
If there are 9 students in the recital then we have:
minutes.
Thus, the recital lasts at least 78.75 minutes.
Answer:
The recital lasts at least 78.75 minutes.
Answer:
Mulch costs $10 more per cubic yard than topsoil.
Step-by-step explanation:
Got 100% on this Test/Usa