Roscoe rides his bike atleast 10 miles but no more than 30 miles. he rides at an average rate of 10.5 miles per hour. the amount of time it takes for roscoe to ride his bike m miles is represented by the function.
t(m)=m/10.5
what is the practical domain of the function?
a. all real numbers from 10 to 30, inclusive.
b. all multiples of 10 between 10 and 30, inclusive.
c. all real numbers.
d. all integers from 10 to 30, inclusive.

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i