Work out the value of (1.7X10^4) X (8.5X10^-2) in standard form

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

Given right triangle xyz, which correctly describes the locations of the sides in relation to

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)