If AB has length 5 and AC has length 8 find The length of BC
The measure of angle B in degree
The measure of angle C in degree

Solve the system of equations. y= 2x y= x^2 - 15

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2