For which equation is x = 5 a solution? a) 2 + x = 3

b) 3x = 15

c) x − 7 = 12

d) 2x = 14

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?