9 (a - b) + 5 (2a - 2b)
mutiply the first bracket by 9
(9)(a)= 9a
(9)(-b)= -9b
mutiply the second bracket by 5
(5)(2a)=10a
(5)(-2b)= -10b
9a-9b+10a-10b
9a+10a-9b-10b ( combine like terms<em>)</em>
Answer : C. 19a - 19b
Answer:
Step-by-step explanation:
-28i^2+76i-40 you are welcome
The hundredths place is 2 places to the right of the decimal and occupied by the 7. To round, look at the next place to the right (the thousandths place)... if it's 5 or higher, we round the hundredths place up to an 8. If it's 4 or lower, we round down so the 7 remains unchanged.
We round up and your number is 2,534.08
Answer:
The attached image should be your answer.