Subtracting a number is the same as adding its opposite. Use this understanding to complete each of the equations below. Enter numbers to evaluate ‐13−23 .
‐13−23= ‐13 +
=
Enter numbers to evaluate ‐13−(‐23)
.
‐13−(‐23)= ‐13 +

Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills

Which of the following is true for the relation f(x)=2x^2+1

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?