Which of the following describe an angle with a vertex at a?
check all that apply.

C and D

Step-by-step explanation:

In naming an angle using 3 letters the letter denoting the vertex is always located in the middle of the 3 letters

Thus ∠BAC and ∠CAB

b is 38 degrees.

a is 52 degrees.

this is because if b is 38 and a is 14 degrees more than b than 38+14=52 and 52+38=90 degrees. hope this .

you would have to sell 24 bracelets.

step-by-step explanation:

84/3.5 = 24