Answer:
<h3>The answer after performing the indicated operation is in descending powers of x is
</h3>
Step-by-step explanation:
Given expression is 
<h3>To perform the operation indicated, then place the answer in the proper location on the grid and also Write answer in descending powers of x:</h3>
Now solve the given expression as below ( that is perform the operation indicated)
Adding the like terms we get
<h3>The answer after performing the indicated operation is in descending powers of x is
</h3>
<span>Cos (90°- x)=-0.7
as</span><span>Cos (90°- x)=sinx
so sinx =-0.7</span>
150 grams because 5 oz is equal to 141 grams
