Solve the equation for x. the square root of the quantity x plus 4 end quantity minus 7 equals 1

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

Find the distance between (7,-6) and (-3,-9)

Find the distance between the point (-3,-4), and (see the picture below)