Which of the following best describes the set of numbers? -1,2,-4,8

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191