Which decimal number is equivalent to 4/5?
0.4
0.04
0.8
0.08

2x minus y equals 6, x plus y equals negative 3

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

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