PLEASE HELP MUST HAVE ANSWER SHORTLY

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.