1. round the result to 2 decimal places. -0.9x+2.8=4.1 a) -2.56 b) -2.56 c) -1.44 d) 2.20 2. jordan has 650 pennies. he plans to give 85 to his brother and split with his twin sister. he wants to know how many pennies to keep for himself. which equation models the situation? a) 2(85+2x=650 b) 85(x-2)=650 c) 85x=650 d) 85+2x=650