Answer:
35°
Step-by-step explanation:
It’s one photo but I couldn’t fit it
Answer:
The rate is 6.43%
Step-by-step explanation:
Given
--Interest
-- Principal
--Time
Required
Determine the rate
Using simple interest formula:

Make R the subject

Convert time to years



Substitute values for I, P and T



Convert to percentage


Answer:
x=−3 or x=5
Step-by-step explanation:
x2−2x−15=0
Step 1: Factor left side of equation.
(x+3)(x−5)=0
Step 2: Set factors equal to 0.
x+3=0 or x−5=0
x=−3 or x=5