3a - 4b = 21
check (-2 , -3)
3(-2) -4(-3) =21
-6 +12 = 21
6 does not = 21 so NO
check (0 , 7)
3(0) -4(7) =21
0-28=21
-28 does not equal 21 so NO
check (-3 , -2)
3(-3) -4(-2) =21
-9 +8 = 21
1 does not = 21 so NO
check (7 , 0)
3(7) -4(0) =21
21 = 21
Choice D
Answer:
7) 10^4
B) 50
Step-by-step explanation:
7) 10,000=10x10x10x10
turned into an exponent= 10^4
B). the 5 is in the tens place so it's value is
50
$5 per hour is the constant rate because 10/2 is 5, 20/4 is 5 etc.
L= 3w
Perimeter form = 2(l+w)
2(3w + w) = 112
6w + 2w = 112
8w = 112
w= 14
The greatest possible value for w is 14
Hope this helps!
( x + 5 ) ( x - 7 )
( x ) ( x ) + ( x ) ( - 7 ) + ( 5 ) ( x ) + ( 5 ) ( - 7 )
x² - 7x + 5x - 35
= x² - 2x - 35.
