How to determine increase and decrease of a function without calc?

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?