11. A newborn grew from 11 inches to 16 inches in the first few weeks after birth. What is the percent increase? Rounded to the nearest percent.

The newborn grew by forty-five percent.

Step-by-step explanation:

(16-11)/11 * 100

= 5 / 11 * 100

= 0.454545... * 100

≅45 %

check the picture below.

well, the angle at the vertex d is clearly not a right-angle, let's check for the one at the vertex f which does look like,   however if it's indeed, that means ef is perpendicular to df, in which case their slopes will be negative reciprocal of each other.

so the negative reciprocal of the slope of ef is 1, however the slope of df is not 1, is 1/2, so nope, they're not perpendicular lines.

answer: are you

step-by-step explanation: