Answer:
25x² - 16
Step-by-step explanation:
Given
(5x + 4)(5x - 4)
Each term in the second factor is multiplied by each term in the first factor, that is
5x(5x - 4) + 4(5x - 4) ← distribute parenthesis
= 25x² - 20x + 20x - 16 ← collect like terms
= 25x² - 16
Answer:
$2,300
Step-by-step explanation:
The basic formula for profit is: profit = sales - expenses
Therefore 12,500 - 10,200 = $2,300
I hope this helps!
Answer:
0.195
Step-by-step explanation:
She will earn $920 after working 40 hours.
Step-by-step explanation:
Given,
Amount per hour = $20
Raise = 15%
Raise amount = 15% of Amount per hour

New amount per hour = Amount per hour + raise amount
New amount per hour = 20+3= $23
Total earning after working 40 hours = Amount per hour * 40

She will earn $920 after working 40 hours.
Keywords: Raise, percentage
Learn more about percentages at:
#LearnwithBrainly
Answer: the answer is c.
Step-by-step explanation: