Answer: Last Option

Step-by-step explanation:
Cramer's rule says that given a system of equations of two variables x and y then:


For this problem we know that:

Solving we have:


Solving we have:


Solving we have:

Finally


Answer:
842 rounded to the nearest ten is 840
Step-by-step explanation:
Answer:
120 with 2 left over
Step-by-step explanation:
482/4 equals 120.5 so each basket gets 120 and then .5+.5+.5+.5= 2 whole extra apples
Multiplication, addition, subtraction
25%
There are 4 different numbers you could draw. Having all 4 cards would be equal to 100%, making each card worth 25%.
25 + 25 + 25 + 25= 100