(-5,2) concave up
Hope this helps :)
Answer:
5m - 4n
5(5) - 4(3) ( As m= 5 and n= 3)
25 - 12
= 13
Answer:
Step-by-step explanation:
10.50 X 40=420
55-40=15
15 X 2=30
15 divided by = 7.50
420+30+7.5= 450.5
No.1
r=9
No.3
r=10.5ft
No.5
C=132m
No.7
C=25.12
No.9
44
No.11
264cm
No.13
97.34m
No.15
47.1
No.17
Am not sure
Hope this helps though
So a²+b²=c²
8²+15²=c²
64+225=c²
289=c²
±17=c
So c=17 or c=-17
