Right triangle ABC has its right angle at C, BC=4, and AC =8. What is the value of the trigonometric ratio?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

What is the area of the triangle 10 13 12

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