Answer:D
Step-by-step explanation: It is none of them because it is translated up one unit and then reflected across the y axis.
It’s A) simplify it you’ll get -42 because a negative times a positive is an negative
1)Calculate the product:
21a + 10a - 3a
2)Collect like terms:
28a
Answer:
28a
The simplest form is 1/8
3/3= 1 24/3 = 8 so 1/8
1m is equal to 100cm, so the scale reduces the size of the actual object