A student wrote the 5 different situations that are shown in the answer choices below. Select all of the situations that could be modeled by a linear equation.
A. The Barton family is driving at a rate of 62 miles per hour.
B. Mr. Dominguez invested $1000. This money is growing at a rate of 4% per year.
C. A tree was 10 feet tall when purchased. It is growing at a rate of 2 feet per year.
D. Tim dropped a coin off a bridge. It is falling at a rate of 9.8 meters per second squared
E The amount of people in a stadium is decreasing at a rate of 45% every 10 minutes.

Given: ad¯¯¯¯¯ is an altitude. prove: ab2+ac2=cb2 right triangle a b c with right angle a. point d lies on side b c and segment a d is drawn. angle a d c is a right angle. drag and drop a reason into each box to correctly complete the two-column proof. statement reason ad¯¯¯¯¯ is an altitude, and ∠bac is a right angle. given ∠adb and ∠adc are right angles. definition of altitude ∠bac≅∠bda ? ∠bac≅∠adc ? ∠b≅∠b ? ∠c≅∠c reflexive property of congruence △abc∼△dba ? △abc∼△dac aa similarity postulate abbd=cbab ? ab2=(cb)(bd) cross multiply and simplify. acdc=cbac polygon similarity postulate ac2=(cb)(dc) cross multiply and simplify. ab2+ac2=ab2+(cb)(dc) addition property of equality ab2+ac2=(cb)(bd)+(cb)(dc) substitution property of equality ab2+ac2=(cb)(bd+dc) ? bd+dc=cb segment addition postulate ab2+ac2=cb2 substitution property of equality