1 A student uses data to find the quadratic regression function h = -0.811 + 19.931, which models an object's height, h, in meters, 1 seconds after it is launched upward from the surface of the moon. which is the best estimate of the height of a rock 3.1 seconds after it is launched? (​

Which graph represents the solution of the inequality?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.