How do you do the conversion 10 meters per second to feet per second?

What is the number 321,000,000 in scientific notation? also what is the number? ?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

On the day a coffee shop first opened, it had 140 customers. 65% of the customers ordered a large coffee. how many customers ordered a large coffee? enter your answer in the box.