A 200 pound watermelon is 90 percent water. It is dehydrated until it is only 80 percent water. What is the weight after dehydration?

For an Ohmic conductor, tripling the voltage without changing the resistance will cause the current to A. decrease by a factor of 3. B. increase by a factor of 3. C. increase by a factor of 9. D. decrease by a factor of 9.

How many times does 3 go in to 83

What is the standard form for 9.4/10^2

4 (x-2) = 3 (2y-1) in standard form

A ball is dropped from the top of a building. The distance in feet above the ground, represented by h (t), after t seconds can be modeled by the equation h (t) = -16t^2+180. What is it's height after 3 seconds of falling?

An infant is 32.625 inches (in) long. Write this as a common fraction.

Is the dilation of - 3/4 a contraction or an expansion?

Complete the square x^2+2x-7=17 A) x=-1, x=3 B) x=5, x=-4 C) x=-1, x=4 D) x=-6, x=4

There are 5,280 feet in one mile how many feet are in 143 miles?

At the city museum, child admission is $5.40 and adult admission is $8.70. On Friday, 170 tickets were sold for a total sales of $1224.90. How many adult tickets were sold that day?