A triangle has side lengths of (8.8p+6.2q) centimeters, (5.6p-1.8rcentimeters, and (6.1r-8.4q) centimeters. Which expression represents the perimeter, in centimeters, of the triangle? MARKINg brainliest

30 pts, will mark brainliestwhat is the period of the sinusoidal function? (picture 1)what is the minimum of the sinusoidal function? (picture2)what is the maximum of the sinusoidal function? (picture 3)

What is the 12th term of b(n)=-4-2(n-1)

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.