Please help me find the length of the other side of the angle. (I'm having trouble, too early in the morning for me T-T)

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

Find the roots of the equation below. x^2 - 6 + 9 = 0

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b