Answer:
i) 21 and ii) 6
Step-by-step explanation:
i) If X=4 and Y=6, then:
3X+9, replacing X
3(4) + 9
12 + 9
21
ii) 4X-Y
4(3) - 6
12 - 6
6
5/8 is equal to 0.625, which is equal to 62.5 percent.
Answer:
A
Step-by-step explanation:
11/15
Answer:
<h2><u><em>
-8</em></u></h2>
Step-by-step explanation:
Solve equation
-8n + 7 * (8 + 3n)= -16 + 4n
-8n + 56 + 21n = -16 + 4n
13n + 56 = -16 - 56
13n -4n = -16 - 56
9n = -72
n = -72 : 9
<u><em>n = -8</em></u>