She estimates that her weekly cost of rent and electricity is $250 the ingredients to bake one cake cost $4 write an equation represents the total cost to Paula's bakery per week, y, if x number of cakes are made

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

What is the y intercept of f(x)=(1/2)^x?

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)