The equation yˆ=1.2676x+79.6645 models fred’s systolic blood pressure, in mm/hg , over his life span, where x is fred’s age. according to the regression equation, what is the approximate systolic blood pressure of fred at the age of 55?

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais