Answer:
Step-by-step explanation:
Sum of first n terms = 243

Answer:
what are u asking here?........
5-(8v+5) = -4(1+3v)
5-8v-5 = -4 - 12v
-8v = -4 - 12v
4v = -4
v = -1
Answer:
Step-by-step explanation:
the ration of boys to girls will be:
36/12=3/1
choice b
another way
36 boys.........................12 girls divide by 6
6 boys.............................2 girls divide by 2
3 boys.............................1 girl
Answer:

Step-by-step explanation:
8x + 4y = 2
-8x - 8x
____________
4y = -8x + 2
__ _______
4 4
y = -2x + ½
↑
rate of change [slope]
* Perpendicular Lines have OPPOSITE MULTIPLICATIVE INVERSE <em>RATE</em><em> </em><em>OF</em><em> </em><em>CHANGES</em><em> </em>[<em>SLOPES</em>]:
-2 → ½
I am joyous to assist you anytime.