The cost of a car, in dollars, t years after its purchase is $20,000 - $3,000t. which statement is correct? a. the cost of the car depreciates every year by $3,000. b. the cost of the car depreciates every year by $20,000. c. the cost of the car increases every year by $3,000. d. the cost of the car increases every year by $20,000.

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.