If i pick up 3 pieces of strawberries in a garden every 40 seconds. how many seconds would it take to pick up 200 pieces?

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)