Determine the multiplicity of the roots of the function k(x)=x(x+2)square3 (x+4)square2(x-5)square4

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?