The triangle inscribed within square abcd has, as its base, side ad, and has a height of 6 cm. if the area of the triangle is 21 cm2, what is the area of the shaded region?

Two consecutive negative integers have a product of 30. what are the integers?

The blue segment below is a diameter of o. what is the length of the radius of the circle?

The monthly texting plan of all star cell is $11 per month and $0.25 per text. the monthly texting plan of top line cell is $14 per month and $0.15 per text. a student wants to set up a system of equations to find the number of texts for which the total monthly cost of the two companies is the same. he uses the variables x and y. he lets y represent the total monthly cost. what will x represent? x = number of texts x = cost of the total number of texts x = total monthly cost x = cost of each text