2.40+2.20=4.60
9-4.60=4.40
Patricia has $4.40 left to spend (or save)
Answer:

Step-by-step explanation:
step 1
Find the circumference
The circumference of a circle is equal to

we have

assume

substitute

step 2
Find the measure in radians for the central angle of a circle whose radius is 5 and intercepted arc length is 7.2 units
Remember that
The circumference of
subtends a central angle of 
so
using proportion
Let
x-----> the central angle in radians

Answer:
The correct answers are A and B
23.55 - 20.65 = 2.9
2.9 / 20.65 = 0.140436
0.140436 x 100 = 14.0436
Therefore that to the nearest tenth of a percent would be:
14% increase