Answer:
A. 72
Step-by-step explanation:
Determinant of a 2x2 matrix: ad - bc
In that case,
24(18) - 30(12)
432 - 360
72
And we have our answer.
Answer:
He will need 5 bags of fertilizer
Step-by-step explanation:
The area of the field would be 15 x 13 which is 195 square feet . If one bag of fertilizer covers 39 square feet then by dividing 195 by 39 you can come up with the answer; 5 bags
Answer:
10 uniforms
Step-by-step explanation:
You will start by subtracting 250 from 550 to get 300. You will then divide 300 by 28 to get the total number of uniforms. You will get the answer 10.7, but because we are dealing with uniforms, we will remove the decimal and just use 10.
Answer:
-3y + 2x - 4
Step-by-step explanation: