Answer:
Step-by-step explanation:

Your molarity would be 0.975 M HCl because it’s moles of solute divided by liters of solvent
Answer: X=2 Y=-6
Step-by-step explanation:
Length of the outer frame: 4+2x
width of the outer frame: 3+2x
area of the outframe: (4+2x)(3+2x)=15
expand the equation: 12+8x+6x+12x^2=15
combine like terms: 4x^2+14x-3=0
100 - (5+d)×2
That's what my teacher told me.