Answer:
r³ + 15r² - 10r - 4
Step-by-step explanation:
First, note you can remove the brackets, in this case they contribute nothing at all.
Then, group the like terms and add them, e.g., we have 3r³ and -2r², they add up to r³.
Finally, order them from greatest power of r to smallest power of r.
That's all!
Answer:
A. because its a short sentence but also asking people who read the story if they relate which means they are gonna want to know what the book is about if they babysat before
Step-by-step explanation:
Each day it decrease $2. So just multiply $2 x 4 days. It changed a total of $8.
X = womens, y = mens
45x + 50y = 2500....if there is no women, then x = 0
45(0) + 50y = 2500
50y = 2500
y = 2500/50
y = 50.....there would be 50 male customers to meet his expenses
Multiply 13 by the 2 above the divide line
13*2 = 26
so the number in the box should be 260