Probabilities only need the answer to a) and b)

The measure of the angles of triangle abc are given by the expressions in the table. angle-measure a-48 degrees b-(6x-28)degrees c- (2x) degrees find the value of x. then find the measures of angles b and c. enter your answers in the boxes. x= m m

The anwser cause i do not understand just plez

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.