Angles 1 and 2 are complementary and congruent. what is the measure of angle 1?

a) 30
b) 45
c) 50
d) 75

Arandom number generator is used to model the patterns of animals in the wild this type of study is called

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

The area of a circle is equal to 1 dm². find the radius of the circle.