7 to the power of -4
If var(x)=25 find var(2x+4).
2 $\pi$ 1/4
Simplify the expression 4m+5+2m-1
3 head
subtraction of integers
solve each following
1. (-2) - (-8)
2.(+4) - (-5)
3. (-3) - (+9)
Solve the equations using matrix inversion method:
3x − y + 2z = 8; x + y + z = 2; 2x + y − z = −1
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