Solve for an angle in right triangles

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

unless if u could do my questions, if not i wouldn't want to

these sign is used to tell weather the number is greater or less than the number   <   or >     but this sign means its equal =    

hope this you and

step-by-step explanation: