Lesson 3.4 practice B graphing functions I don’t know how to do this can someone please help me :)

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

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°

The square root of 9x plus 7 plus the square rot of 2x equall to 7