True or false? 1.a right angle measures 90 degrees. 2. an acute angle measures less than 90 degrees. 3 a 105 degree angle is an obtuse angle.

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?