Answer:
从 1 到 20 有 8 个素数。它们列在下面：2、3、5、7、11、13、17 和 19。
Answer:
33 meters
51 meters
Step-by-step explanation:
84-18= 66
66/2= 33
33+18= 51
Check your answer:
51+33=84
Answer: 5 * 23 = 115 so 40<
Step-by-step explanation:
Let M represent the cost of a whiteboard marker.
10(3M + $2.75) = $177.50
3M + $2.75 = $17.75
3M = $15
M = $5
Hence, each whiteboard marker cost $5.
Answer:
First number line
Step-by-step explanation:
-6 means 6 to the left, and subtracting -8 to it means 8 to the right.
