Which properties belong to all isosceles triangles? check all that apply.
a. the base angles are congruent. all three angles are congruent.
b. the two sides opposite the base angles are congruent. all three sides are congruent.
c. the bisector of the vertex angle is the perpendicular bisector of the base.

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Solve the equation. 2x - 8(x+1)= 6(2x - 3)