Sin^2x+2Sin^2x/2-2sinx. sin^2x/2+cotx=0

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red