Answer:
for number 7
Step-by-step explanation:
a²+b²=c²
3²+8²=c²
9+64=c²

Inequality : 19.50n+24≤$110
Solution: Alyssa can buy 4 DVDs
Work: 110-24=86
86/19.50 = 4.4
You can't have a fraction of a DVD, so you have to round down to 4.
Answer:
80 degrees.
Step-by-step explanation:
Answer:

Step-by-step explanation:
We can add the two equations to eliminate the variable
and solve for
:



Now, we can use substitution to solve for
:
(given)




Hope this helps :)
Answer is b for sure I am just trying to get point not right answer decrees