Which expression is equivalent to 210d2 - 63d

21 (10d+3)

21d (10d-3)

21d (10d+3)

Write an expression; The sum of a number t and 1.7, multiplied by 7?

Last year the humane society took in 21,340 animals. If the humane society was open all 52 weeks that year. how many animals were taken in each week that year

I=prt for t, if i=105, p=700, and r=0.05

How many combinations of 4 can you make of 25 basketball cards?

Will give Brainliest Answer! What is the arc length when Θ = 4 pi over 7 and the radius is 5 cm? 20 pi over 7cm < - - - I think it's this one, but I'm not sure 4 pi over 7cm 2 pi over 7cm 24 pi over 7cm

Nana spent $28 on 2 dvd's. At this rate, how much would 5 dvds cost? At what rate did she spend her money

Calculate the volume of a pyramid with a square base, where the perimeter of the base is 5.7cm and the height of the pyramid is 8.6cm. Round your answer to the nearest tenth of a cubic centimeter.

If you have 16 cups of sugar, 2 cups of sugar for every batch of cookies, but you have to save 6 cups of sugar for something else. How many batches of cookies can you make?

Phoung is rolling a standard 1-6 number cube and flipping a coin. What is the probability that the cube will land on 4 and the coming will land heads up?

The sum of w and 220 is the same as 282. Write this in a sentence