Which expression is equivalent to 210d² - 63d

o

21d (10d-3)

o 21 (10d+3)

o

21d (10d+3)

Two buses leave seattle at the same time and travel in opposite directions. one bus averages 55 mi/h and the other bus averages 45 mi/h. when will they be 400 mi apart?

Describe how the value of n affects the shape of the binomial probability histogram. choose the correct answer below. a. as n decreases, the binomial distribution becomes skewed left. b. as n increases, the binomial distribution becomes skewed right.

Write the linear equation in standard form. 12x = - 9y + 7

Chris read 20 pages of a novel each day for 9 days during summer break. How many total pages did Chris read during summer break? A) 110 B) 180 C) 1100 D) 1800

Volume of 7/2, 7/5, and 5

What is the expression of d dozen eggs?

What is the first step needed to solve (2/5) x-6=-16

Standard form for 770,070

180g of copper is mixed with 105g of zinc to make an alloy. The density of copper is 9g/cm^3 and the density of zinc is 7g/cm^3. Work out the volume of copper used in the alloy.

A right cone has a base diameter that is 8 cm and a slant height that is 37 cm. What is the surface area of the cone?