How do I Simplify (2x - 4x2 + 4) + (3x2 + 3x - 7)?

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

Solve the triangle. a = 21°, c = 105°, c = 5

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides. should be his answer