Tolong jawab nomor 3 sampai 10

Jawaban:

3. 20 – (-3) = 23°

4. a. A = {1,2,3,4,5,6,7,8,9}

b. bukan

5. A = {2,4,6,8}

B = {2,3,5,7}

6. S = {x|1<x<10, x bilangan asli}

7. gambar sendiri ya

8. gambar sendiri

9. a. a & b

b. -4, 5, -1, & 1

c. 5

d. -4a & -a, 5b & b

e. -3

10. 3x – 4y + 2x – y = 5x – 5y