A company that makes hair-care products had 3,000 people try a new shampoo. Of the 3,000 people, 21 had a mild allergic reaction. What percent of the people had a mild allergic reaction?

Step-by-step explanation:

21/3000= .7%

ye

step-by-step explanation:

here you hope this .

step-by-step explanation:

hypotenuse = √(15² + 8²)

=  √(225 +64)

=  √(289) = 17

sin(x) = cos(y) = 8/17

they are identical so long as you are doing the sine of one angle and the cosine of the only other angle that isn't the right angle.