1.which expression has the same value as the one below? 8 + [4 + (–9)] a12 + (–9) b–12 + 9 c–4 + (–9) d4 + (–9) 2.what is the value of the expression? -16+12 a-28 b-4 c4 d28 3which expression has the same sum as the one below? –15 + 6 a15 + 6 b–6 + (–15) c15 + (–6) d6 + (–15)

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?