. Mark drove 180 miles in 3 hours at a constant speed. Let D equal the
distance traveled and t equal the time
traveled. Which of the following is
the constant of proportionality?

A) 3, as in D=3t

B) 60, as in D=60t

C) 180, as in D=180t

D) 540, as in D=540t

What 2 forces allow things to fall ‍♀️‍♀️

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.