1.
a. 12d² -6d
b. 6c^5 + 8c^4 -10c³
c. correct
2.
a. correct
b. correct
c. 12r^8-6r^4 + 9r^2, then multiply the rest by -1
3. correct
4. x² + 10
5. d=4, -1/3
Answer:
spinners
Step-by-step explanation:
8 × 3 = 24 ÷ 400 = 0.06
0.06/400
An unknown number = n
.....................................
89 +<u> n </u>= 94
62
<u> n </u> = 94 - 89
62
<u> n </u>= 5
62
Cross multiply
n = 62 * 5
n = 310