Answer:
it's 80% of 125
the value of x = 125
Step-by-step explanation:
Answer:
a.
500x+0.04=y
400x+0.05=y
for percentages move decimal to the left twice
Mrs Carson gives the better deal, this is becuase when i set up an inequality 48/6 and 67.50/9, i divided 48 by 2 then added 24 to 48 so i could get them both so i can see what they give, so Mrs Carson gives 72 dollars every 9 hours and thats better than 67.50.
90 degrees rotation about the origin
Because it is normally set to only find real roots, not complex roots
if you are smart, you can use the factor function and use your head to find those roots
