If y varies directly as x and y = 144 when x = 8, find y when x = 4.

Which recursive formula can be used generate the sequence shown where f (1) = 5 and n>1? 5,-1,-7,-13,-19, ... A) f (n+1) = (n) + 6 B) f (n) = f (n+1) - 6 C) f (n+1) = f (n) - 6 D) f (n+1) = - 6f (n)

Which is more economical: purchasing the economy size of a detergent at 7 kilograms for $7.15 or purchasing the regular size at 870 grams for $.60? and by how much $ do you save by purchasing the more economical choice?

There are 20 cars in a lot and three of them leave how many are left

Erika spent 3/4 of her money on lunch. She has 2.00 left. How much money did she start with?

What is the greatest possible error for each measurement? 18.9 m A. 0.01m B. 0.5m C. 9.45m D. 0.05m

Of the 34 cars in a parking lot, 20 are green, 8 are gold, and the rest are black. What are the odds against the next car leaving the lot being black?

A) 12 x - 18 = 4x + 30

A graduated cylinder is filled with 36/pi36π36, pi cm^3 3 cubed of liquid. The liquid is poured into a different cylinder that has a radius of 333 cm. What will the height of the liquid be in the new cylinder? Answer = 4 cm

What are the excluded values of x for A. x = - 9, x = 2 B. x = - 9, x = 0 C. x = - 2, x = 9 D. x = 0, x = 9

The length of a rectangle is 8 inches and the width is x inches. What is the perimeter, in inches? A. 16 + 2x B. 10 + 2x C. 16 + x D. 10 + x