Given the following diagram, find the missing measure.

m ∠4 = 2x°, m ∠2 = (4/3)x°, m ∠3 = 20°, find x.

a.10
b.20
c.30
d.60

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?