Elena is driving on a cross-country trip. The function, D(t) = 750- 60t can be used to represent her distance, in miles, from home after 't' hours of driving. What is the value of D(4)? * A. 187.5
B. 510
C. 690
D. 990

What is the rotational symmetry of a wheel

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?