Please help me 30 points Prompt: Evaluate which method is the most effective for solving the following two system of equations: (y=5x7 (3x+2y=10
ly = 3x+8 and 5x-7y=12

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

(a.s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)