The graph shows a line and two similar triangles. which expression finds the equation of the line?

A: y/x=1/4

B: y/4=x/1

C: y/x=4/1

D: y/1=4/x

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2