Solve the equation using square roots. –x2 + 16 = 0 a ; ±4 b ; ±16 c ; no real number solutions d ; 4

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no