Which characteristics best describe an obtuse isosceles triangle? i. one angle is greater than 90°. ii. all side lengths are equal. iii. two sides meet at a 90° angle. iv. two sides are equal in length. a. i and iv b. ii and iii c. i and ii d. iii and iv

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