What is an equivalent expression to m+m+m+m that is a sum of two terms. PLEASE HELP ME FAST

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

What percent of the circle below is shaded?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?