I think the answer to this is .6 or 1.7
Answer:

Step-by-step explanation:
Combine the opposite terms in r − 3 − r
.
Answer:
64 textbooks
Step-by-step explanation:
the first two teachers had 21 students each that's 21+21=42
the other teacher had 22 students so apparently all the textbooks handed to the students are,21+21+22=64
Answer:
See below.
Step-by-step explanation:
No, a reasonable estimate is around 7 * 6 = 42.
Round $6.99 to $7 and multiply by the 6 family members.
39/100 this is the answer of 39% as a fraction h