Answer:
42cm3
Step-by-step explanation:
v = 0.5× b × h × l
= 0.5 × 4 × 3 × 7
= 42cm3
Answer:
Natalie cannot make it over the fence.
Step-by-step explanation:
After reading the statement, we must demostrate if the following inequation is possible, that is:
After some algebraic handling we find this equivalent expression:
(1)
The polynomial is factorized by the Quadratic Formula:

Since all roots are complex, we conclude that Natalie cannot make it over the fence.
5(x+4)=4(x-6)
5x+5•4=4x-4•6
5x+20=4x-24
x= -44
Answer:
B
Step-by-step explanation: rational numbers include negative numbers as well. whole number only contains positive integers.