Solve for x: 3x + 4 = 9x + 3

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Select the correct answer. in the figure, angle k measures 45°. what is the measurement of angle c? a. 38° b. 45° c. 90° d. 98°

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?