Type the correct answer in the box. use numerals instead of words. if ne the value of la ana2 – 32 2(a - b) +1 - ab + 20 when a = 2 and b = -1 is 1 reset

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Can any one me with the answers to these questions asap?

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000