Answer:x^2 + 9x + 20
Step-by-step explanation:
You could just multiply (x+4)(x+5) and get x^2 + 9x + 20, but judging from the picture, it looks like they want you to split it into 4 rectangles
x^2 +4x+ 5x + 20 =x^2 +9x + 20, just like (x+4)(x+5)
Answer:

Step-by-step explanation:
we know that


therefore

Answer:
4950g
Step-by-step explanation:
firstly remember the formula for converting from kg to g
Kilograms ( kg) to grams(g)
1 kg = 1000g
therefore to convert 4.95 kg to g
is 4.95 * 1000
=<u> 4950g</u>
Answer:
m = 13
Step-by-step explanation:
Given
m - 5 = 8 ( isolate m by adding 5 to both sides of the equation )
m = 8 + 5 = 13