Which expression correctly represents "twice the sum of four and a number"?

2 (4+n)

2 (4n)

2 (4) + n

2 + (4n)

Which is part of the hydrosphere

Jenna has 8 pairs of jeans. Three of them are blue. What percentage of her jeans is blue?

N is an integer Which is greater? n or - n

Find the solutions to the equation below. Check all that apply. 4x2 - 4x - 3 = 0

Why is the absolute value of a nonzero number positive?

The sum of a number and twice its reciprocal is 27/5. Find the number.

Airbus is a major manufacturer of aircraft in Europe. Each of their A330 planes costs around 40 million dollars and Airbus' revenue (money coming in) can be modeled as a function of the number of aircraft it sells.

Which function has an inverse that is a function? A. b (x) = x^2+3 B. d (x) = -9 C. - 7x D. p (x) = lxl

Is 6.013 less than 6.08

What is nine 91, 284 rounded to hundred thousand