Question 14 (1 point) (08.06 LC) An unknown number bis 10 more than an unknown number k. The number b is also k less than 8. The equations to find k and b are shown below: b = k + 10 b = -K + 8 Which is a correct step to find k and b? (1 point) 1) Write the points where the graphs of the equations intersect the x-axis. 2) Write the points where the graphs of the equations intersect the y-axis. 3) Add the equations to eliminate k. 4) Multiply the equations to eliminate b. *PLEASE ANSWER FAST!*​

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

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

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?