Acircle has a diameter of 10 centimeters. what is the best approximation of its area? use 3.14 to approximate for π . a: 15.7 cm² b: 31.4 cm² c: 78.5 cm² d: 314 cm²

Which statement holds true for absolute value functions? •the absolute value determines the direction in which theb. the coefficient determines the line along which the graph, the distance between the left and the right arm is based od. the vertex coordinates and the absolute value determine 111

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤