A laptop uses about 0.5 kilowatt of electricity per hour. if electricity costs $0.12 per kilowatt, how much does it cost to run the lap top for an hour?

Which expression is equivalent to (4x^3*y^5)(3x^5*y)^2 \a) 24x^13*y^7b) 36x^13*y^7c) 36x^28*y^7d) 144x^16*y^12

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?