The error is that -2 times -5 is 10 not -10. Then carry on from there because that error meant the rest is wrong as well.
B= number
sum means to add
b+57 is the correct expression
hope this helps
Its important to know the categories of number because its in math
Answer:
2
Explanation:
Degree 4 is the term with the exponent that is 4. The 2 in front of the x is the coefficient.
Raising a number to the 1/2 power means taking its square root.
