Find the inverse of f (x) = 2x+4

A walkway rises 3.5 ft for every 5 ft on the horizontal. Find its slope (or grade).

Which equation is written in slope-intercept form? A. y=3x-2 B. x=1/2y+8 C. 2x+5y=12 D. 3y=8x-5

Suppose a certain traffic light shows a red light for 42 seconds, a green light for 45 seconds, and a yellow light for 5 seconds. each day you look at this light at a randomly chosen instant.

The office of the coroner is maintained at 21°C. While doing an autopsy on a murder victim, the coroner is killed and the victim's body is stolen. The coroner's assistant discovers his chief's body and finds that its temperature is 31°C.

Find the slope of the line that passes through (-4, - 2) and (8, - 11)

You board a Ferris wheel at ground level and travel to the very top, when it stops to allow more riders to get on. How many degrees has the Ferris wheel rotated?

A right triangle with congruent legs is always a 45-45-90 triangle? True or False?

What is the difference between a square and a rectangle? A) A square is a parallelogram and a rectangle is not. B) A square has 4 equal sides and a rectangle does not. C) A square has 4 right angles and a rectangle does not have to.

The value of y varies directly with x, and y = - 8 when x = 2. Find y when x = 3

L=3x+6 W=3x^2 what's the perimeter