I need some serious help with some problems there are some on my profile and this one

a) 28

b) D

Step-by-step explanation:

a) As you can see from the diagram, in a 60-30 right triangle, the side adjacent to the 60° angle is half of the hypotenuse.

14*2=28

b) If you remember your SohCahToa, then you'll know that your trigonometric functions are:

Now we can check each one to find the incorrect ratio:

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

7

step-by-step explanation:

i'm assuming you need to figure out how many campers go into each tent.

i got the answer by:

24+4=28

28/4=7