What's the algebraic expression of? Twice the sum of a number n and 2?

A 2 (n+2)

B n+2•2

C 2n+2

D 2 + (n+2)

Which rate is greatest? A:$540 per 36 hours B:$432 per 24hours C: $720 per 60 hours D:$240 per 15hours

What is the sample space for spinning a square spinner labeled A, B, C, D?

Simplify the expression m-2n-3 ⋅ m5n7 using properties of exponents. m3n4 m-10n-21 m to the fifth power times n to the seventh power over m to the second power times n to the third power m to the second power time n to the third power over m to the

What is 3.67 * 10^5? A. 367 B. 3,670 C. 36,700 D. 367,000

Chapter 2 Test, Form 2 Find each sum or difference. 1. - 67 + 18 2. 43 - 19 3. 18 + 9 4.-16 - (-12) 5. 20 - 5

Line L1 has the equation 3x-30y=6 Express the equation of L1 in the slope-intercept form

In Mrs. Smith's enrichment class, 25% of the students are boys. There are 7 boys in the class. How many total students are in Mrs. Smith's enrichment class?

If a octagon is 25 centimeters long then the perimeter of the octagon is how many meters

In parallelogram ARMY, angle A equals (3x+10) ° and angle Y equals (2x+15.5) ° what is X?

A box contains 2 white, 3 red, and 4 black marbles. you choose two marbles and each are chosen at random. find the probability that both marbles are black