53. How many combinations are possible while selecting four letters from the word "SMOKEJACK' with the condition that must appear in it? with mathematical solutions

Aright triangle includes one angle that measures 30º. what is the measure of the third angle? a. 30º b. 90º c. 60º d. 130º

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?

The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|