Select the correct answer. Identify the expression equivalent to 4(x + x + 7) - 2x + 8 - 4 by substituting x= 1 and x= 2.
ОА.
6x + 11
OB. 3(x + 7)
OC. 2(3x + 16)
OD
3x + 16

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

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.

What rotation was applied to triangle def to create d’e’f’?