I think that 30 bulbs are expected to be defective.
A) $15 ÷ 40% =
15×.4= 6
15+6= 21
B) $38 × .25=9.5
38-9.5=28.50
28.50×.06=1.71
28.50+1.17=30.21
I think this is how you do it. would wait for other answers as well to double check.
You can use the sum and difference identities which for cosine is cos(a+b)= cosacosb-sinasinb

enters the irrational number category.
Integers numbers are the numbers without decimals between -infinity and infinity.
Natural numbers are the whole numbers from 1 to infinity.
Whole numbers are natural numbers + 0.
Answer:
The monthly payments = $ 297
Step-by-step explanation:
It is given that,Tom’s total payment for his loan was $14,256 he paid it off at making 48 monthly payments
<u>To find the monthly payments</u>
we have,
Total payment = $14256
Number of monthly payments = 48
Monthly payments = 14256/48 = 297
Therefore Tom's monthly payments of his loan = $ 297