Answer:
x=9
Step-by-step explanation:
Answer:
31 scientific calculators
54 graphing calculators
Step-by-step explanation:
X = number of $15 calculators
Y = number of $67 calculators
X+Y = 85 then X = 85-Y
15X+67Y = 4083
substitute for X
15(85-Y)+67Y = 4083
1275 - 15Y + 67Y = 4083
reduce
52Y = 2808
Y = 54
X = 31
Answer:
Step-by-step explanation:
C is the correct answer. Multiply each element of the matrix by -3:
-3(2) = -6, and so on.
Answer:
C it does make sense and looks like right answer