Which of the following is greater than 4.3 × 10^9 a. 2.1 × 10^9 b. 3.2 ×10^9 c. 5.3 × 10^9 d. 7.4 ×10^8

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.

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

Which of the following circles have their centers in the third quadrant?