1. y=7-3x
4x+2(7-3x)=16
4x+14-6x=16
-2x=2
x=-1
-3+y=7
y=10
(-1,10)
2. x=2y
2(2y)+2y=4
4y+2y=4
6y=4
y=2/3
x-2(2/3)=0
x-4/3=0
x=4/3
(4/3,2/3)
1. Find 70% of 100. 100 x 0.70 = 70.
2. Find 60% of 70. 70 x 0.60 = 42.
3. The answer is 42. Hope that helps!
Answer:
(x + c) (x - c)
Step-by-step explanation:
For any number the polynomial 
can be factored as (x + c) (x - c)
Answer:
0.33=33%
0.07=70%
5.43=543%
1.5%=1/5
3%=3
38%=3/8
Step-by-step explanation:
hope this helps if not please let me know
Answer:
(y+7)²/364 - (x+8)²/364 = 1
Step-by-step explanation:
This is the standard form of a vertical hyperbola (y-k)²/a² - (x-h)²/b² = 1
so, (y²+14y+?) - (x²+16x+?) = 251
(y²+14+49)-49 - (x²+16x+64)-64 = 251
(y+7)² - (x+8)² = 251 + 49 + 64
(y+7)² - (x+8)² = 364
(y+7)²/364 - (x+8)²/364 = 1
