What is 12 7/100 as a decimal

* Also, if you could, i will give brainliest, explain how you convert mixed numbers into a decimal plz? Thank you :)

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4