Answer:
(16a+20a)-18b
=36a-18b
Step-by-step explanation:
First move the (Y) to the other side of the equal sign,

Then subtract add (15) on both sides

Since a variable can't be negative just divide by (-1) on both sides,

The answer would be,

Hope this helped
:D
Answer:
Of course CD is higher then investing in T-bill
Answer:
Step-by-step explanation:
<u>The ratio of sides in 30º-60º-90º triangle is:</u>
<u>If a is 5√3, the length of b is:</u>
- b = a√3 = 5√3 *√3 = 5*3 = 15
40 - 4 = 36
average = 36/9 = 4
answer
average number of members who joined the math club is 4 per month