Answer:
1) 3( 2) - 1 = 6 - 1 = 5
2) 2(-1) - 3+4(-1) = -2 -7 = -9
3) 4^2-6(4)=9 = 16-24=9, = -8=9
1block=2cm
1cm=10mm
therefore 1block=2×10=20
1000÷20=50
=50blocks
11 is b because the bottom needs to be 5 to dived the amount by 5 minutes and the top is the amount of words she types in 5 minutes
C or the 3rd one
Step-by-step explanation:
