The cost of levelling a park at the rate of 2rs per km2 is rs 2700. If the park is in right angled triangular form with one side being 45km ,find hypotenuse

What expression is equivalent to 1/2(2+3x-6)

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?