Study the multi-digit number 42,803 what digit has a place value that is 0/10 times the place value of the digit 0

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Which value of y will make the inequality y< -1 false?

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units