Answer:
Step-by-step explanation:
The last one 75d+105
Answer:
Step-by-step explanation:
You have to multiply 30 cents until you get to the total.
Step-by-step explanation:
its .86 which is closer to .87
so choose the first one
Answer:
f(t)=4cos(t), â3Ï/2â¤tâ¤3Ï/2
Step-by-step explanation:
169 because you have to add the angles from the inside and the firat angke is 90