Determine if the expression 9y^5+ y − 3y^3is a polynomial or not. If it is a polynomial, state the type and degree of the polynomial.

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca