What is the measure of angle b in the figure below?

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish