When a number is decreased by 8%, the result is 79. What is the original number to the nearest tenth?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

The value of cos 30° is the same as which of the following?

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.