Answer:
1.c
2.a
3.d
4.a
5.c
6.b
Step-by-step explanation:
sina=cos b
cosa= sin b
Answer: i cant see it
Step-by-step explanation:
Answer: $2.81
Step-by-step explanation:
Pencils: 5 * 0.69 = 3.45
Notebooks: 3 * 2.75 = 8.25
pocket dictionary: 5.49
3.45 + 8.25 + 5.49 = 17.19
20 - 17.19 = 2.81
Therefore, she will get $2.81 change back.
ANSWER: The numbers are 20 and 19
39-19= 20
20+19= 39