40% of what number is 30? A.
75

B.
12

C.
120

D.
46

Which of the following tables represents exponential functions?

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

Is the square root of 4 plus the square root of 16 rational?