Write the equation of the circle shown .

( help me please )

How far could you drive on 50 gallons of gas

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27