Without using a calculator, find all the solutions of tan(t) = 0

In Radians ​

Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?

The value √10 and √15 are plotted on the number line

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?