A CD with a radius of 6cm rotates at a speed of 237revolutions per minute. Find the linear speed in meters per second. 15.6m/sec

89.4m/sec

1.5m/sec

4.7m/sec

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.

Ineed to find the answer to number 2