4 * 500 = $2,000
<span>Then, you must calculate how much he earned by the commission: </span>
<span>$42,000 * 3% </span>
<span>(3% = 3/100) </span>
<span>42,000 * 3/100 = 420 * 3 = $1260 </span>
<span>Finally, you add what he earned form the commission plus the 4 weeks salary: </span>
<span>$2,000 + $1260 = $3,260</span>
Answer:
in Desmos there should be a plus sign right above the list of your equations on the left side. Click that plus sign and then click "table". then enter your numbers. then your points will be shown on the graph
to turn this into a line long press on the button next "y" on the table you have made, then select "lines"
Answer:
Identity (a) can be re-written as
which we already proven in another question, while for idenity (b)
step A is simply expressing each function in terms of sine and cosine.
step B is adding the terms on the LHS while multiplying the one on RHS.
step C is replacing the term on the numerator with the equivalent from the pithagorean identity 
Depends what your talking about but the easy way is 40 and 90
