Which of these is equal to the value of 9 – (–5)? –9 – 5

9 + 5

9 – 5

–9 + 5

y=20x

: )

hope this

we need to divide the number of toy dinosaurs, 156, by the number of brothers, 4:

in order to estimate, we can use compatible numbers:

156 ÷ 4

  ↓

160   ÷ 4 = 40        

the correct answer is a).