All angles add up to 180 and you know you have a right angle which is 90 degree. So 180-90=90 90/2=45
Answer:
Marsha earned interest = $850
Step-by-step explanation:
Amount deposited = $8500
Time = 2 years
Interest rate = 5% = 0.05
We need to find how much did Marsha earn in interest
The formula use is: 
Where I is interest earned, P is amount deposited, r is interest rate and t is time.
Putting values and finding interest.

So, Marsha earned interest = $850
There is a 68.75% increase in the amount of water Nathan drinks from his usual 32 ounces. If he started drinking 54 ounces of water per day, then there is a 22 ounce increase in intake. And 22 ounces is 68.75% of 54 ounces. This percentage would be derived by using the formula (54-32)/32.
Answer:
164
Step-by-step explanation:
82 multiplied by 2
Answer:
natural no.s are those no.s which don't have any negative integer or any fractional value
they begin zero and so on