90° is the correct answer
Hello :) ok so to find AC you would have to use sin. It would be sin70= x/4. To find AC you would have to multiply 4 by sin70 which is 3.758 or to the nearest hundredth would be 3.76. I hope I helped, if you need a more in depth explanation lmk
Answer:
im pretty sure its "D" It can contain any number of triangles greater than or equal to 4.
Step-by-step explanation:
F(x)=-4(-1)-5
f(x)=4-5
f(x)= -1
-1 is your answer
Multiply 2.90 by 6 and multiply 2.90 by 4 then add them and you get your answer