10 pens=£6.50
1 pen=£0.65
4 pens=£0.65×4
4 pens=£2.6
Answer:
-3x^2 - 21x
Step-by-step explanation:
This question is representing multiplying two functions :
We are finding f(x) * g(x)
We know that f(x) is -3x and g(x) is x + 7, therefore :
(-3x)(x + 7)
Follow FOIL :
First :
(-3x)(x)
-3x^2
Outer :
(-3x)(7)
-21x
Therefore the answer is :
-3x^2 - 21x
3 to 5 feet is the ratio in lowest form
Answer: B
Reason:
44 + x
66
x
22
Also when we have a greater and equal to sign (
), it will be a filled in circle.
Thats why its by.