Answer:
18
Step-by-step explanation:
90-80=10
10*2=20
20-2=18
20.41
(one pound is .454 kilograms)
Answer:
Width = 12 cm
Length = 14 cm
Step-by-step explanation:
Rectangle:
Let the width = x cm
So, the length = (x+2) cm
Perimeter = 52 cm
2 *(l+b) = 52
2 *(x+2 + x) = 52
2 * ( 2x + 2) = 52
2x + 2 = 52/ 2
2x + 2 = 26
2x = 26- 2
2x = 24
x = 24/2
x = 12
Width = 12 cm
Length = 14 cm
Answer:
f(-4) = 38
Step-by-step explanation:
f(-4) = (-4)² - 4(-4) + 6
= 16 - (-16) + 6
= 32 + 6
= 38
