Since 4 is in front of x, the period is pi/4
D. Heptagon
A decagon has 10 sides
an octogon has 8 sides
a pentagon has 5 sides
a heptagon has 7 sides which in turn leaves you with your answer
plz mark brainliest hope this helps and have a nice day:)
Answer: If the plane is perpendicular to the line, the normal vector of the plane is equal to the direction vector of the line
Step-by-step explanation:
Pi r² is circle's area expression.
So the r is radius,.
Answer:
The proportion of number of weeks (x) to the number of years aged in that week (y) would be 1:7. I'm not very good at explaining things but I hope this helped...