Determine which ordered pair is a solution of y = -2x + 7
a. (4,-1)
b. (-5,3)
c.(2, 3)
d. (1,3)

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

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.

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?