Translate "twice x is 5" into a mathematical expression

A function, f (x), represents the distance, in miles, that Sarah drives each hour, x. Select the appropriate domain for this situation. A. the set of all positive integers B. the set of all integers C. the set of all real numbers D.

Consider the functions f (x) = 1/3x and g (x) = 1/x2. Determine f (1/12) - g (1/5).

one evening, a ticket booth sold five times as many adult tickets as student tickets. the number of adult tickects sold was 145. how many student tickets were sold?

A rectangle has a length of 2x + 7 and a width of3x+8y. write and simplify an express for the perimeter of that rectangle

What property is [9 + (-9) ] + (10x - 6x) + 3?

Birthweights at a local hospital have a normal distribution with a mean of 110 oz. and a standard deviation of 15 oz. what z-value corresponds to a birthweight of 138 oz.? (round your answer to the nearest hundredth.)

For every 24 minutes of television, there are 6 minutes of commercials. how many minutes of commecials are in 1 hour and 36 minutes of television?

There is a red, a green, and a yellow bulletin board hanging in the hallway. All of the bulletin boards are rectangular with a height of 4 feet. Their lengths are 6 feet, 5 feet, and 3 feet.

What is the equation of a line that is parallel to y=5/6x-10 and passes through (12, 8) ? Enter your answer in the box.

And earthquake wave travels through 55 km of rock in 25 seconds. Write a equation to represent the relationship between t, the number of seconds, and d, the total distance the wave travels.