A teacher takes her nephew shopping. She tells her nephew that they can spend x dollars knowing that 16x = 641.6.

What operation does the nephew need to use to find how much money they can​ spend?

Choose the correct answer below:

A. Addition

B. Division

C. Multiplication

D. Subtraction

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

What is the product of the radical expression. (7-2square root) (8+2 square root)

∠aed is formed inside a circle by two intersecting chords. if minor arc bd = 70 and minor arc ac = 180, what is the measure of ∠ aed? a) 45° b) 50° c) 55° d) 60°