105% =$34.02
100% (cost without sales tax) = 34.02/1.05 =$32.40
Answer:
scale factor is 3, k=3
Step-by-step explanation:
everything is being multiplied by 3
Answer:
Hmmm
Step-by-step explanation:
1-(-4)^2
1-(-4 times -4)
1-(16)
1-16
-15
-x^2+2x+3=x^2-2x+3 add x^2 to both sides
2x+3=2x^2-2x+3 subtract 2x from both sides
3=2x^2-4x+3 subtract 3 from both sides
2x^2-4x=0 factor
2x(x-2)=0
So x=0 and 2