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?

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Піf x = y and y= z, which statement must be true? оа. -x = -2 b. x= z ос. —x = 2 od. 2= x