Which of the following is equivalent to four raised to the power of negative two.?

To raise a number n to a negative power you simply take the fraction 1/n and raise it to the (positive) power you want.

So 2^-2 is ¼.

Answer : (9x + 5) - (-8x - 11) is 17x + 16

explanation: 1st, distribute 2nd, eliminate redundant parentheses 3rd, add the numbers 4th, combine like terms.

(-5x - 7) + (-2x + 6) is -7x - 1

explanation : just do the same as every other one

(-x - 9) - (5x +4) is -6x - 13

explanation : 1st, distribute 2nd, eliminate redundant parentheses 3rd, subtract the numbers 4th, combine like terms.

(3x - 4) - (x -7) is 2x + 3

explanation : 1st, distribute 2nd, eliminate redundant parentheses 3rd, add the numbers 4th, combine like terms.

(7x + 4) - (5x + 5) is 2x - 1

explanation : 1st, distribute 2nd, eliminate redundant parentheses 3rd, subtract the numbers 4th, combine like terms.

(2x - 3) + (7x + 11) is 9x + 8

explanation : 1st, eliminate redundant parentheses 2nd, add the numbers 3rd, combine like terms.

(-4x - 5) + 2(3x - 4) is 2x - 13

explanation : 1st, distribute 2nd, eliminate redundant parentheses 3rd, subtract the numbers 4th, combine like terms.

2(6x - 7) - (2x + 3) is 10x - 17

explanation : 1st, distribute 2nd, distribute again 3rd, subtract the numbers 4th, combine like terms.

(5x + 4) - (5x + 12) is -8

explanation: 1st, distribute 2nd, eliminate redundant parentheses 3rd, subtract the numbers 4th, combine like terms.

ALSO REMEMBER YOU ARE SIMPLYFYING