X/8-1/2=6
X/8=6+1/2=13/2
X/8=52/8
X=52
combine like terms on the left side. you always go from left to right.
Probability is about estimating or calculating how likely or 'probable' something is to happen.
Using a calculator: cos 70 deg = 0.342. Note: it sounds as tho' you were given several answer options. Where are they?
