Answer:
1a: 6.283
b: 51.313
c: 285.1
Step-by-step explanation:
Area of a sector = (angle/360)πr²
1a
Area=(45/360)π(4²)=6.283
b
Area=(120/360)π(7²)=51.313
c
Area=(270/360)π(11²)=285.1
-2x - 3x = -5x
8 - 4 = 4
-5x + 4
R/9 = -21
Multiply by 9
r = -189
Answer:
she will pay $19 for each day
Step-by-step explanation:
94-18=76
76÷4=19
