If cos A = 12/13, and ∠A is in the fourth quadrant, find the exact value of sin2A.

Bill knows that the volume of a rectangular prism is 400cm3. The box is labelled with the length as 6.5cm and the width as 1.5cm. What is the approximate height of the box?

Select each expression that is equivalent to 3n+6 select all that apply. Explan. A. 3n+6 B. 3n+18 C. 2n+2+n+4 D. 2 (n+6) + (n+6) E. 2 (n+6) + n

How do you solve x=3y / 3x-5y=12

45 min/2 mi = ? h / 1 mi

A country with an area of 425 square miles has a population of 9,350 residents. Which rate best represents the relationship between the population and the area of the country

Triangle ABC is a right triangle where B is the right angle, AB = x, and BC = x. What could be the first step of a proof BD of the triangle divides the hypotenuse into two segments of equal length?

Tommy plotted the opposite of one. Alicia plotted the opposite of two. Which Number is greater in value? Explain.

Anita sells stuffed bunnies and puppies to a toy store. She sells each bunny for $8.00 and each puppy for $10.00. This week, Anita wants to sell more than 30 stuffed animals and needs to earn a minimum of $450.

Jimena draws a figure with two pairs of parallel opposite sides. The four sides are not all the same length, and the figure has no right angles. Which two figures could she have drawn?

Donnie is planning to purchase a new tablet for $750. The tax rate in his city is 5.75%. How much will the tablet cost him?