Composite function problem

g(t) = 2t-5
h(t)= -3t^3-1-t
Find (g-h)(-4)

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is