How do I write double the sum of seven and a number in mathematical terms?

A china shop receives a shipment of 125 dishes in 5 boxes. At this rate, how many dishes will it receive in 15 boxes?

A large jar contains 25% blue marbles. A sample contains 9 blue marbles, 15 red marbles, and 16 green marbles. What is pˆ, the sample proportion of blue marbles? Enter your answer, as a simplified fraction, in the box.

Which order pairs in the form (x, y) are solutions to the equation 6x-y/2=14 (-9,3), (2,-4)

Which interval contains a local minimum for the graphed function? O [-4,-2.5) O 1-2, - 1] O [1, 2] O [2.5, 4]

Given F = 9/5C + 32, the conversion formula for Fahrenheit to Celsius, solve for C A) C = 5/9 (F - 32) B) C = 9/5 (F - 32) C) C = 9/5 · F/32 D) C = 5/9 · F/32

Is the function y = 8x - 4 linear or nonlinear?

The drawing of the tabletop is 8 centimeters long. If the scale of the drawing is 2 centimeters = 0.75 meters. How many meters long is the coffee table that Ernest designed?

20% of what amount is 8?

What is 781 divided by 26

6. Given the function y=f (x), describe the transformations and sketch the following function; g (x) = 2f (1/2 (x-1)) - 7