Choose the missing number to make equivalent fractions.
6/_
=
30/40
8

16

30

200

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?