The radius of the circle is 7 cm. What is the area of the shaded part? Use π = 227​

Find the value of x for which the lines are parallel.

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me