Which expression represents the phrase "twice the sum of a number and three"?

2n + 3

2 + (2n+3)

2 (2n-3)

2 (n+3)

Kareem is going for a run. he runs for 9.6 miles at a speed of 9 miles per hour, for how many hours does he run

Describe how you solve the problem 17 + 25

The speed of light is approximately 3x10^8 meters per second. The speed of sound is approximately 3x10^2 meters per second.

The cost of renting a sailboat at a lake is $20 per hour plus $12 for lifejackets. Write an equation in slope intercept form that can be used to calculate the total amount you would pay for using this sailboat

Is 8 17/18 larger than 3 5/6?

What is the interquartile range of the data set? Enter the answer in the box. Key: 1|5 means 15 A stem-and-leaf plot with a stem value of 2 with a leaf value of 8, a stem value of 3, and a stem value of 4 with a leaf value of 0, 3, 3, 5, and a stem

In the circle below, find x and y

Mari wants to cut a 2/3 ya piece of ribbon into 6 equal pieces. How long will each piece be?!

A ball is thrown from a height of 157 feet with an initial downward velocity of 9 ft/s. The ball's height h (in feet) after t seconds is given by the following.

Y = 1/2x - 6 X = - 4 What is the solution to the system of equations? titte (-8, - 4) (-4,-8) (-4,4) (4,-4)