Answer:
SO THE AWNSER WILL BE (B)
Step-by-step explanation:
x − y = 7
y = 3x + 12
a
2 over 19 comma 2 over 33
b
negative 2 over 19 comma negative 33 over 2
c
negative 19 over 2 comma negative 33 over 2
d
19 over 2 comma 33 over 2
4x + 1(2x - 3)
4x + 2x - 3
6x - 3
- 18
r = va/(e - v)
v = er/(r + a)
vr + va = er
va = er - vr
va = r(e - v)
12.99
I divided 3 by 0.231, 5 by 0.385, and 10 by 0.77 and got 12.99 for each.
35 ways
Seven juniors to choose three from
7 C 3 = 7! / ( 4! 3!) = 35